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555 lines
297 KiB
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555 lines
297 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<class-scheme publication-date="2023-02-01" scheme-type="cpc" publication-type="official">
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<classification-item breakdown-code="false" not-allocatable="true" level="5" additional-only="false" sort-key="B24B" definition-exists="true" date-revised="2018-08-01" status="published"><classification-symbol>B24B</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING </text><reference><text>grinding of gear teeth <class-ref scheme="cpc">B23F</class-ref>, of screw-threads <class-ref scheme="cpc">B23G1/36</class-ref>; by electro-erosion <class-ref scheme="cpc">B23H</class-ref>; abrasive or related blasting <class-ref scheme="cpc">B24C</class-ref>; tools for grinding, buffing or sharpening <class-ref scheme="cpc">B24D</class-ref>; polishing compositions <class-ref scheme="cpc">C09G1/00</class-ref>; abrasives <class-ref scheme="cpc">C09K3/14</class-ref>; electrolytic etching or polishing <class-ref scheme="cpc">C25F3/00</class-ref>; grinding arrangements for use on assembled railway tracks <class-ref scheme="cpc">E01B31/17</class-ref></text></reference></title-part><title-part><text>DRESSING OR CONDITIONING OF ABRADING SURFACES</text></title-part><title-part><text>FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>In this subclass, the following term is used with the meaning indicated: <subnote><note-paragraph>"polishing" means the smoothing of a surface, i.e. a surface improvement but no improvement of the dimensional accuracy as would occur in a "grinding" operation.</note-paragraph></subnote></note-paragraph><note-paragraph>Attention is drawn to Notes (1) and (2) following the title of subclass <class-ref scheme="cpc">B23F</class-ref>.</note-paragraph><note-paragraph>In groups <class-ref scheme="cpc">B24B1/00</class-ref> - <class-ref scheme="cpc">B24B27/00</class-ref>, in connection with glass the terms "grinding " and "polishing" are treated as being equivalent.</note-paragraph></note><note type="warning"><note-paragraph>In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="B24B1/00" date-revised="2013-01-01" status="published"><classification-symbol>B24B1/00</classification-symbol>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B24B1/00" definition-exists="true" ipc-concordant="B24B1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B1/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Processes of grinding or polishing</text></title-part><title-part><text>Use of auxiliary equipment in connection with such processes </text><reference><text>processes characterised by the use of special machines or devices, see the relevant places for those machines or devices</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B1/002" definition-exists="false" ipc-concordant="B24B1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B1/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using electric current </text><reference><text><class-ref scheme="cpc">B24B37/046</class-ref> and <class-ref scheme="cpc">B23H5/08</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B1/005" definition-exists="false" ipc-concordant="B24B1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B1/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a magnetic polishing agent</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B1/007" definition-exists="false" ipc-concordant="B24B1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B1/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>abrasive treatment to obtain an aged or worn-out appearance</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B1/04" definition-exists="true" ipc-concordant="B24B1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B1/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>subjecting the grinding or polishing tools, the abrading or polishing medium or work to vibration, e.g. grinding with ultrasonic frequency </text><reference><text>polishing or abrading surfaces on work by means of tumbling apparatus <class-ref scheme="cpc">B24B31/00</class-ref>, involving oscillating or vibrating containers <class-ref scheme="cpc">B24B31/06</class-ref>; superfinishing surfaces on work, e.g. by means of abrading blocks reciprocating with high frequency, <class-ref scheme="cpc">B24B35/00</class-ref></text></reference></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B24B3/00" definition-exists="true" ipc-concordant="B24B3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sharpening cutting edges, e.g. of tools</text></title-part><title-part><text>Accessories therefor, e.g. for holding the tools </text><reference><text>non-abrasive sharpening devices for scythes, sickles, or the like <class-ref scheme="cpc">A01D3/00</class-ref>; sharpening devices designed as components of machines with cutters, <u>see</u> the relevant places for the machines, e.g. <class-ref scheme="cpc">A01D75/08</class-ref>, </text><CPC-specific-text><text><class-ref scheme="cpc">B23F23/1225</class-ref>, ,</text></CPC-specific-text><text> <class-ref scheme="cpc">B26D7/12</class-ref>; sharpening of saw teeth <class-ref scheme="cpc">B23D63/12</class-ref>; sharpening of files or rasps <class-ref scheme="cpc">B23D73/00</class-ref>; grinding of die-stocks or chasers <class-ref scheme="cpc">B23G1/36</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B3/003" definition-exists="false" ipc-concordant="B24B3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for skate blades</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B3/006" definition-exists="true" ipc-concordant="B24B3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for edges of skis, snowboards or the like</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B3/02" definition-exists="false" ipc-concordant="B24B3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of milling cutters</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B3/021" definition-exists="false" ipc-concordant="B24B3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of milling cutters with helical cutting edges</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B3/022" definition-exists="false" ipc-concordant="B24B3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>relief grinding of milling cutters</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B3/024" definition-exists="false" ipc-concordant="B24B3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Indexing equipment</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B3/025" definition-exists="false" ipc-concordant="B24B3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Tooth rests; Supporting means for milling-cutter grinding machines</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B3/027" definition-exists="false" ipc-concordant="B24B3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of milling cutters with embedded cutters</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B3/028" definition-exists="false" ipc-concordant="B24B3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of tapered milling cutters</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B3/04" definition-exists="false" ipc-concordant="B24B3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of plain milling cutters</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B3/045" definition-exists="false" ipc-concordant="B24B3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of milling cutters with helical cutting edges</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B3/06" definition-exists="false" ipc-concordant="B24B3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of face or end milling cutters or cutter heads, e.g. of shank type</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B3/065" definition-exists="false" ipc-concordant="B24B3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>end milling cutters with rounded ends</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B3/08" definition-exists="false" ipc-concordant="B24B3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of profile milling cutters, e.g. of disc type</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B3/085" definition-exists="false" ipc-concordant="B24B3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a template</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B3/10" definition-exists="false" ipc-concordant="B24B3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of routers or engraving needles</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B3/12" definition-exists="false" ipc-concordant="B24B3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of hobs</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B3/14" definition-exists="false" ipc-concordant="B24B3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of mortise chain cutters</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B3/16" definition-exists="false" ipc-concordant="B24B3/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of broaches</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B3/18" definition-exists="false" ipc-concordant="B24B3/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of taps or reamers</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B3/20" definition-exists="false" ipc-concordant="B24B3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Tapering or chamfering taps or reamers</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B3/22" definition-exists="false" ipc-concordant="B24B3/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Relief cutting of taps or reamers</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B3/24" definition-exists="true" ipc-concordant="B24B3/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of drills </text><reference><text>by fluting the shank <class-ref scheme="cpc">B24B19/04</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B3/242" definition-exists="false" ipc-concordant="B24B3/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/242</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of step drills</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B3/245" definition-exists="false" ipc-concordant="B24B3/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/245</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for simultaneously sharpening several drills; Supports therefor</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B3/247" definition-exists="false" ipc-concordant="B24B3/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/247</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Supports for drills </text><reference><text><class-ref scheme="cpc">B24B3/245</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B3/26" definition-exists="false" ipc-concordant="B24B3/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of the point of twist drills</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B3/265" definition-exists="false" ipc-concordant="B24B3/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/265</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using devices specially adapted for domestic use</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B3/28" definition-exists="false" ipc-concordant="B24B3/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by swivelling the drill around an axis angularly to the drill axis</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B24B3/30" definition-exists="false" ipc-concordant="B24B3/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>and rotating the drill about its own axis</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B3/32" definition-exists="false" ipc-concordant="B24B3/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for thinning the point</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B3/33" definition-exists="false" ipc-concordant="B24B3/33" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/33</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of drills for stone</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B3/34" definition-exists="false" ipc-concordant="B24B3/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of turning or planing tools or tool bits, e.g. gear cutters </text><reference><text><class-ref scheme="cpc">B24B3/36</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B3/343" definition-exists="false" ipc-concordant="B24B3/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/343</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of throw-away cutting bits</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B3/346" definition-exists="false" ipc-concordant="B24B3/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/346</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of gear shaper cutter</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B3/36" definition-exists="false" ipc-concordant="B24B3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of cutting blades </text><reference><text><class-ref scheme="cpc">B24B3/58</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B3/361" definition-exists="false" ipc-concordant="B24B3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/361</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of reciprocating blades</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B3/363" definition-exists="false" ipc-concordant="B24B3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/363</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of blades mounted on a turning drum</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B3/365" definition-exists="false" ipc-concordant="B24B3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/365</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of rotary mower blades</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B3/366" definition-exists="false" ipc-concordant="B24B3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/366</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of meat mincing or meat grinding machines</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B3/368" definition-exists="true" ipc-concordant="B24B3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/368</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>installed as an accessory on another machine </text><reference><text><class-ref scheme="cpc">B26D7/12</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B3/38" definition-exists="false" ipc-concordant="B24B3/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for planing wood, e.g. cutter blades</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B3/40" definition-exists="false" ipc-concordant="B24B3/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Processes or apparatus specially adapted for sharpening curved edges</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B3/42" definition-exists="false" ipc-concordant="B24B3/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>helically bent, e.g. for lawn mowers</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B3/44" definition-exists="true" ipc-concordant="B24B3/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of scythes or sickles</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B3/46" definition-exists="false" ipc-concordant="B24B3/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of disc blades</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B3/463" definition-exists="false" ipc-concordant="B24B3/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/463</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of slicing machine disc blades</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B3/466" definition-exists="false" ipc-concordant="B24B3/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/466</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of cultivator disc blades</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B3/48" definition-exists="false" ipc-concordant="B24B3/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of razor blades or razors </text><reference><text>by an abrasive block without mechanisms <class-ref scheme="cpc">B24D</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B3/485" definition-exists="false" ipc-concordant="B24B3/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/485</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for travelling razor blades, in the form of a band or fitted on a transfer means</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B3/50" definition-exists="false" ipc-concordant="B24B3/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>operated manually</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B3/52" definition-exists="false" ipc-concordant="B24B3/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/52</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of shear blades or scissors</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B3/54" definition-exists="false" ipc-concordant="B24B3/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of hand or table knives</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B3/543" definition-exists="false" ipc-concordant="B24B3/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/543</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using hand or foot driven tools</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B3/546" definition-exists="false" ipc-concordant="B24B3/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/546</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the tool being driven in a non-rotary motion, e.g. oscillatory, gyratory</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B3/55" definition-exists="false" ipc-concordant="B24B3/55" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/55</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of knife bars for harvesting machines</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B3/56" definition-exists="false" ipc-concordant="B24B3/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/56</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of slicing bands </text><reference><text><class-ref scheme="cpc">B24B3/58</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B3/58" definition-exists="false" ipc-concordant="B24B3/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/58</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of tools having scalloped cutting edges</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B3/583" definition-exists="false" ipc-concordant="B24B3/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/583</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of bands</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B3/586" definition-exists="false" ipc-concordant="B24B3/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/586</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of serrated edges, e.g. triangular shaped </text><reference><text><class-ref scheme="cpc">B24B3/583</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B3/60" definition-exists="false" ipc-concordant="B24B3/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/60</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of tools not covered by the preceding subgroups</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B3/602" definition-exists="false" ipc-concordant="B24B3/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/602</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of thread cutting tools</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B3/605" definition-exists="false" ipc-concordant="B24B3/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-05-01" status="published"><classification-symbol>B24B3/605</classification-symbol><class-title date-revised="2019-05-01"><title-part><CPC-specific-text><text>of surgical or dental instruments</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B3/607" definition-exists="true" ipc-concordant="B24B3/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B3/607</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of files</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="B24B5/00" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Grinding surfaces of particular forms</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B24B5/00" definition-exists="true" ipc-concordant="B24B5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>B24B5/00</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces</text></title-part><title-part><text>Accessories therefor </text><reference><text><class-ref scheme="cpc">B24B11/00</class-ref> - <class-ref scheme="cpc">B24B21/00</class-ref> take precedence; honing machines or devices using abrading blocks performing axial and rotary movements superimposed on one another <class-ref scheme="cpc">B24B33/00</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B5/01" definition-exists="false" ipc-concordant="B24B5/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/01</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for combined grinding of surfaces of revolution and of adjacent plane surfaces on work</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B5/02" definition-exists="false" ipc-concordant="B24B5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving centres or chucks for holding work</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B5/025" definition-exists="false" ipc-concordant="B24B5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>involving indexable work supporting means carrying several work pieces to be operated on in succession</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B5/04" definition-exists="true" ipc-concordant="B24B5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding cylindrical surfaces externally </text><reference><text>grinding combined cylindrical and conical surfaces <class-ref scheme="cpc">B24B5/14</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B5/042" definition-exists="false" ipc-concordant="B24B5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for grinding several workpieces at once using one grinding wheel</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B5/045" definition-exists="false" ipc-concordant="B24B5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with the grinding wheel axis perpendicular to the workpiece axis</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B5/047" definition-exists="false" ipc-concordant="B24B5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/047</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of workpieces turning about a vertical axis</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B5/06" definition-exists="false" ipc-concordant="B24B5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding cylindrical surfaces internally </text><reference><text><class-ref scheme="cpc">B24B5/40</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B5/065" definition-exists="false" ipc-concordant="B24B5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for brake drums</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B5/08" definition-exists="false" ipc-concordant="B24B5/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving a vertical tool spindle</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B5/10" definition-exists="false" ipc-concordant="B24B5/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving a horizontal tool spindle</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B5/12" definition-exists="false" ipc-concordant="B24B5/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding cylindrical surfaces both externally and internally with several grinding wheels</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B5/14" definition-exists="false" ipc-concordant="B24B5/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding conical surfaces, e.g. of centres</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B5/16" definition-exists="false" ipc-concordant="B24B5/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding peculiarly surfaces, e.g. bulged</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B5/162" definition-exists="false" ipc-concordant="B24B5/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/162</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>controlled by a template </text><reference><text><class-ref scheme="cpc">B24B5/167</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B5/165" definition-exists="false" ipc-concordant="B24B5/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/165</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>controlled by gearing </text><reference><text><class-ref scheme="cpc">B24B5/167</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B5/167" definition-exists="false" ipc-concordant="B24B5/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/167</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for rolls with large curvature radius, e.g. mill rolls</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B5/18" definition-exists="true" ipc-concordant="B24B5/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving centreless means for supporting, guiding, floating or rotating work </text><reference><text>centreless turning <class-ref scheme="cpc">B23B5/08</class-ref>; centreless grinding of threads <class-ref scheme="cpc">B23G1/42</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B5/185" definition-exists="false" ipc-concordant="B24B5/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/185</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for internal surfaces</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B5/20" definition-exists="false" ipc-concordant="B24B5/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving grooved abrading blocks</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B5/22" definition-exists="false" ipc-concordant="B24B5/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding cylindrical surfaces, e.g. on bolts</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B5/225" definition-exists="false" ipc-concordant="B24B5/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/225</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for mass articles</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B5/24" definition-exists="false" ipc-concordant="B24B5/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding conical surfaces</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B5/245" definition-exists="false" ipc-concordant="B24B5/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/245</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for mass articles</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B5/26" definition-exists="false" ipc-concordant="B24B5/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding peculiarly profiled surfaces, e.g. bulged</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B5/28" definition-exists="false" ipc-concordant="B24B5/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding outer surfaces concentrically to bores, involving additional centering means</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B5/30" definition-exists="false" ipc-concordant="B24B5/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Regulating-wheels</text></title-part><title-part><text>Equipment therefor</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B5/307" definition-exists="false" ipc-concordant="B24B5/307" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/307</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for supporting work</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B5/313" definition-exists="false" ipc-concordant="B24B5/313" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/313</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving work-supporting means carrying several workpieces to be operated on in succession</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B5/32" definition-exists="false" ipc-concordant="B24B5/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the work-supporting means being indexable</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B5/35" definition-exists="false" ipc-concordant="B24B5/35" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/35</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Accessories</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B5/355" definition-exists="false" ipc-concordant="B24B5/35" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/355</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Feeding means</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B5/36" definition-exists="false" ipc-concordant="B24B5/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Single-purpose machines or devices</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B5/363" definition-exists="false" ipc-concordant="B24B5/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/363</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for grinding surfaces of revolution <u>in situ</u></text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B5/366" definition-exists="false" ipc-concordant="B24B5/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/366</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for grinding tyres</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B5/37" definition-exists="false" ipc-concordant="B24B5/37" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/37</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding rolls, e.g. barrel-shaped rolls</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B5/38" definition-exists="false" ipc-concordant="B24B5/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for externally grinding travelling elongated stock, e.g. wire</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B5/40" definition-exists="false" ipc-concordant="B24B5/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding tubes internally</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B5/42" definition-exists="false" ipc-concordant="B24B5/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding crankshafts or crankpins</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B5/421" definition-exists="false" ipc-concordant="B24B5/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/421</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Supports therefor</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B5/423" definition-exists="false" ipc-concordant="B24B5/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/423</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having a grinding wheel turning around the workpiece</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B5/425" definition-exists="false" ipc-concordant="B24B5/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/425</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text><u>in situ</u></text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B5/426" definition-exists="false" ipc-concordant="B24B5/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/426</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Portable devices therefor</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B5/428" definition-exists="false" ipc-concordant="B24B5/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/428</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Balancing means</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B5/44" definition-exists="false" ipc-concordant="B24B5/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding rims of vehicle wheels, e.g. for bicycles</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B5/46" definition-exists="false" ipc-concordant="B24B5/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding railway car wheels</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B5/48" definition-exists="false" ipc-concordant="B24B5/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding walls of very fine holes, e.g. in drawing-dies</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B5/485" definition-exists="false" ipc-concordant="B24B5/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/485</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using grinding wires or ropes</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B5/50" definition-exists="true" ipc-concordant="B24B5/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B5/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by a special design with respect to properties of the material of non-metallic articles to be ground, e.g. strings </text><reference><text>cutting profiles into the treads of tyres <class-ref scheme="cpc">B29D30/68</class-ref></text></reference></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B24B7/00" definition-exists="true" ipc-concordant="B24B7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B7/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces</text></title-part><title-part><text>Accessories therefor </text><reference><text><class-ref scheme="cpc">B24B21/00</class-ref> takes precedence; honing of plane surfaces on work <class-ref scheme="cpc">B24B33/055</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B7/005" definition-exists="false" ipc-concordant="B24B7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B7/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Portal grinding machines</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B7/02" definition-exists="false" ipc-concordant="B24B7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B7/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving a reciprocatingly-moved work-table </text><reference><text>involving a reciprocatingly-moved grinding wheel in combination with a stationary work-table <class-ref scheme="cpc">B24B7/07</class-ref></text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B7/04" definition-exists="false" ipc-concordant="B24B7/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B7/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving a rotary work-table</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B7/06" definition-exists="false" ipc-concordant="B24B7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>B24B7/06</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>involving conveyor belts, a sequence of travelling work-tables or the like</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B7/07" definition-exists="false" ipc-concordant="B24B7/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B7/07</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving a stationary work-table</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B7/075" definition-exists="false" ipc-concordant="B24B7/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B7/075</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a reciprocating grinding head mounted on a movable carriage</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B7/08" definition-exists="false" ipc-concordant="B24B7/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B7/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having an abrasive wheel built in</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B7/10" definition-exists="true" ipc-concordant="B24B7/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B7/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Single-purpose machines or devices </text><reference><text>grinding tools or machines specially designed for use on assembled railway track <class-ref scheme="cpc">E01B31/17</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B7/12" definition-exists="false" ipc-concordant="B24B7/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B7/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding travelling elongated stock, e.g. strip-shaped work</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B7/13" definition-exists="false" ipc-concordant="B24B7/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B7/13</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>grinding while stock moves from coil to coil</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B7/14" definition-exists="true" ipc-concordant="B24B7/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B7/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding slideways </text><reference><text>portable grinding machines designed for fastening on workpieces <class-ref scheme="cpc">B24B23/08</class-ref></text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B7/16" definition-exists="true" ipc-concordant="B24B7/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B7/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding end-faces, e.g. of gauges, rollers, nuts, piston rings </text><reference><text>for combined grinding of surfaces of revolution and adjacent plane surfaces on work <class-ref scheme="cpc">B24B5/01</class-ref>; for grinding edges of bevels on work <class-ref scheme="cpc">B24B9/00</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B7/162" definition-exists="false" ipc-concordant="B24B7/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B7/162</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for mass articles</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B7/165" definition-exists="false" ipc-concordant="B24B7/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B7/165</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>end faces of piston rings</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B7/167" definition-exists="false" ipc-concordant="B24B7/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B7/167</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>end faces coil springs</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B7/17" definition-exists="false" ipc-concordant="B24B7/17" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B7/17</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for simultaneously grinding opposite and parallel end faces, e.g. double disc grinders</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B7/18" definition-exists="true" ipc-concordant="B24B7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B7/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding floorings, walls, ceilings or the like </text><reference><text>machines or devices for cleaning floorings <class-ref scheme="cpc">A47L11/00</class-ref>, <class-ref scheme="cpc">A47L13/00</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B7/182" definition-exists="false" ipc-concordant="B24B7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B7/182</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for walls and ceilings</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B24B7/184" definition-exists="false" ipc-concordant="B24B7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B7/184</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>pole sanders</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B7/186" definition-exists="false" ipc-concordant="B24B7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B7/186</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with disc-type tools</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B7/188" definition-exists="false" ipc-concordant="B24B7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B7/188</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with cylinder- or belt-type tools</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B7/19" definition-exists="false" ipc-concordant="B24B7/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B7/19</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding plane decorative patterns</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B7/20" definition-exists="false" ipc-concordant="B24B7/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B7/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by a special design with respect to properties of the material of non-metallic articles to be ground</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B7/22" definition-exists="false" ipc-concordant="B24B7/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B7/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding inorganic material, e.g. stone, ceramics, porcelain</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B7/222" definition-exists="false" ipc-concordant="B24B7/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B7/222</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for grinding vertical surfaces </text><reference><text><class-ref scheme="cpc">B24B7/265</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B7/224" definition-exists="false" ipc-concordant="B24B7/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B7/224</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Portal grinding machines; Machines having a tool movable in a plane</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B7/226" definition-exists="false" ipc-concordant="B24B7/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B7/226</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in which the tool is supported by the workpiece</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B7/228" definition-exists="true" ipc-concordant="B24B7/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B7/228</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for grinding thin, brittle parts, e.g. semiconductors, wafers </text><reference><text>grinding edges of thin, brittle parts <class-ref scheme="cpc">B24B9/065</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B7/24" definition-exists="false" ipc-concordant="B24B7/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B7/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding or polishing glass</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B24B7/241" definition-exists="false" ipc-concordant="B24B7/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B7/241</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Methods</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B24B7/242" definition-exists="false" ipc-concordant="B24B7/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B7/242</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for plate glass</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B24B7/244" definition-exists="false" ipc-concordant="B24B7/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B7/244</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>continuous</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B24B7/245" definition-exists="false" ipc-concordant="B24B7/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B7/245</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>discontinuous</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B24B7/247" definition-exists="false" ipc-concordant="B24B7/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B7/247</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using reciprocating grinding tools</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B24B7/248" definition-exists="false" ipc-concordant="B24B7/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B7/248</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>high-frequency reciprocating tools, e.g. magnetically driven</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B24B7/26" definition-exists="false" ipc-concordant="B24B7/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B7/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for simultaneously grinding or polishing opposite faces of continuously travelling sheets or bands</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B24B7/265" definition-exists="false" ipc-concordant="B24B7/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B7/265</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of vertical surfaces</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B7/28" definition-exists="true" ipc-concordant="B24B7/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B7/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding wood</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B7/30" definition-exists="false" ipc-concordant="B24B7/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B7/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding plastics</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B24B9/00" definition-exists="true" ipc-concordant="B24B9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B9/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Machines or devices designed for grinding edges or bevels on work or for removing burrs</text></title-part><title-part><text>Accessories therefor </text><reference><text><class-ref scheme="cpc">B24B21/00</class-ref> takes precedence; for sharpening cutting edges on tools <class-ref scheme="cpc">B24B3/00</class-ref>; removing burrs by loose abrasive material <class-ref scheme="cpc">B24B31/00</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B9/002" definition-exists="false" ipc-concordant="B24B9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B9/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for travelling workpieces</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B9/005" definition-exists="false" ipc-concordant="B24B9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B9/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for mass articles</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B9/007" definition-exists="true" ipc-concordant="B24B9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B9/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for end faces of tubes </text><reference><text>cleaning pipe ends or pipe fittings, e.g. before soldering <class-ref scheme="cpc">B08B9/021</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B9/02" definition-exists="false" ipc-concordant="B24B9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B9/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by a special design with respect to properties of materials specific to articles to be ground</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B9/04" definition-exists="true" ipc-concordant="B24B9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B9/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of metal, e.g. skate blades </text><CPC-specific-text><reference><text><class-ref scheme="cpc">B24B3/003</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B9/06" definition-exists="false" ipc-concordant="B24B9/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B9/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of non-metallic inorganic material, e.g. stone, ceramics, porcelain</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B9/065" definition-exists="true" ipc-concordant="B24B9/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B9/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of thin, brittle parts, e.g. semiconductors, wafers</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B9/08" definition-exists="false" ipc-concordant="B24B9/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B9/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of glass</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B24B9/085" definition-exists="true" ipc-concordant="B24B9/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B9/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for watch glasses</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B24B9/10" definition-exists="false" ipc-concordant="B24B9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B9/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of plate glass</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B24B9/102" definition-exists="false" ipc-concordant="B24B9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B9/102</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for travelling sheets</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B24B9/105" definition-exists="false" ipc-concordant="B24B9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B9/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a template</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B24B9/107" definition-exists="false" ipc-concordant="B24B9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B9/107</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for glass plates while they are turning</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B24B9/12" definition-exists="false" ipc-concordant="B24B9/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B9/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of hollow glassware, e.g. drinking glasses, preserve jars, television picture tube viewing panels</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B24B9/14" definition-exists="true" ipc-concordant="B24B9/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B9/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of optical work, e.g. lenses, prisms </text><CPC-specific-text><reference><text>control of the position of the tool for bevelling optical work <class-ref scheme="cpc">B24B47/225</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B24B9/142" definition-exists="false" ipc-concordant="B24B9/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B9/142</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for contact lenses</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B24B9/144" definition-exists="false" ipc-concordant="B24B9/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B9/144</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the spectacles being used as a template</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B24B9/146" definition-exists="false" ipc-concordant="B24B9/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B9/146</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Accessories, e.g. lens mounting devices</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B24B9/148" definition-exists="false" ipc-concordant="B24B9/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B9/148</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>electrically, e.g. numerically, controlled</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B9/16" definition-exists="true" ipc-concordant="B24B9/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B9/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of diamonds</text></title-part><title-part><text>of jewels or the like</text></title-part><title-part><text>Diamond grinders' dops</text></title-part><title-part><text>Dop holders or tongs </text><reference><text>for grinding sharp pointed diamonds or sapphires <class-ref scheme="cpc">B24B19/16</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B24B9/161" definition-exists="false" ipc-concordant="B24B9/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B9/161</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Dops, dop holders</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B24B9/162" definition-exists="false" ipc-concordant="B24B9/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B9/162</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by bruting, i.e. rubbing two precious stones against each other</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B24B9/163" definition-exists="false" ipc-concordant="B24B9/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B9/163</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of gem stones or convex surfaces, cabochons</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B24B9/164" definition-exists="false" ipc-concordant="B24B9/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B9/164</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of diamond tools</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B24B9/165" definition-exists="false" ipc-concordant="B24B9/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B9/165</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for grinding cavities in gem stones</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B24B9/166" definition-exists="false" ipc-concordant="B24B9/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B9/166</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using heat</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B24B9/167" definition-exists="false" ipc-concordant="B24B9/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B9/167</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means for turning and positioning the gem stones</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B24B9/168" definition-exists="false" ipc-concordant="B24B9/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B9/168</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>grinding peripheral, e.g. conical or cylindrical, surfaces</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B24B9/169" definition-exists="false" ipc-concordant="B24B9/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B9/169</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using templates</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B9/18" definition-exists="false" ipc-concordant="B24B9/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B9/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of wood</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B9/20" definition-exists="false" ipc-concordant="B24B9/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B9/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of plastics</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B24B11/00" definition-exists="true" ipc-concordant="B24B11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B11/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Machines or devices designed for grinding spherical surfaces or parts of spherical surfaces on work</text></title-part><title-part><text>Accessories therefor </text><reference><text>specially designed for optical surfaces <class-ref scheme="cpc">B24B13/00</class-ref>, for seat surfaces <class-ref scheme="cpc">B24B15/00</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B11/02" definition-exists="false" ipc-concordant="B24B11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B11/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding balls</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B11/04" definition-exists="false" ipc-concordant="B24B11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B11/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving grinding wheels</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B11/06" definition-exists="false" ipc-concordant="B24B11/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B11/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>acting by the front faces, e.g. of plane, grooved or bevelled shape</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B11/08" definition-exists="false" ipc-concordant="B24B11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B11/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>acting by the circumference</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B11/10" definition-exists="false" ipc-concordant="B24B11/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B11/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of cup type</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B24B13/00" definition-exists="true" ipc-concordant="B24B13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B13/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work</text></title-part><title-part><text>Accessories therefor </text><reference><text>edging optical work, e.g. lenses, prisms <class-ref scheme="cpc">B24B9/14</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B13/0006" definition-exists="false" ipc-concordant="B24B13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B13/0006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for intraocular lenses</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B13/0012" definition-exists="false" ipc-concordant="B24B13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B13/0012</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for multifocal lenses</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B13/0018" definition-exists="false" ipc-concordant="B24B13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B13/0018</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for plane optical surfaces</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B13/0025" definition-exists="false" ipc-concordant="B24B13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B13/0025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for contact lenses</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B13/0031" definition-exists="false" ipc-concordant="B24B13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B13/0031</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Machines having several working posts; Feeding and manipulating devices</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B13/0037" definition-exists="false" ipc-concordant="B24B13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B13/0037</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the lenses being worked by different tools, e.g. for rough-grinding, fine-grinding, polishing</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B13/0043" definition-exists="false" ipc-concordant="B24B13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B13/0043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the workpieces being deformed during the grinding operation</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B13/005" definition-exists="true" ipc-concordant="B24B13/005" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B13/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Blocking means, chucks or the like</text></title-part><title-part><text>Alignment devices</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B13/0052" definition-exists="false" ipc-concordant="B24B13/005" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B13/0052</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Lens block moulding devices</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B13/0055" definition-exists="false" ipc-concordant="B24B13/005" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B13/0055</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Positioning of lenses; Marking of lenses</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B13/0057" definition-exists="false" ipc-concordant="B24B13/005" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B13/0057</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Deblocking of lenses</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B13/01" definition-exists="false" ipc-concordant="B24B13/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B13/01</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific tools, e.g. bowl-like</text></title-part><title-part><text>Production, dressing or fastening of these tools</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B13/012" definition-exists="false" ipc-concordant="B24B13/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B13/012</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>conformable in shape to the optical surface, e.g. by fluid pressure acting on an elastic membrane</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B13/015" definition-exists="false" ipc-concordant="B24B13/015" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B13/015</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of television picture tube viewing panels, headlight reflectors or the like</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B13/02" definition-exists="false" ipc-concordant="B24B13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B13/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by means of tools with abrading surfaces corresponding in shape with the lenses to be made</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B13/023" definition-exists="false" ipc-concordant="B24B13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B13/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for grinding several lenses simultaneously</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B13/026" definition-exists="false" ipc-concordant="B24B13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B13/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the contact between tool and workpiece being a line</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B13/04" definition-exists="false" ipc-concordant="B24B13/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B13/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>grinding of lenses involving grinding wheels controlled by gearing </text><reference><text><class-ref scheme="cpc">B24B13/06</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B13/043" definition-exists="false" ipc-concordant="B24B13/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B13/043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using cup-type grinding wheels</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B13/046" definition-exists="false" ipc-concordant="B24B13/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B13/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a pointed tool or scraper-like tool </text><reference><text><class-ref scheme="cpc">B24B13/015</class-ref> and <class-ref scheme="cpc">B24B13/065</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B13/06" definition-exists="false" ipc-concordant="B24B13/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B13/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>grinding of lenses, the tool or work being controlled by information-carrying means, e.g. patterns, punched tapes, magnetic tapes</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B13/065" definition-exists="false" ipc-concordant="B24B13/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B13/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a template</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B24B15/00" definition-exists="true" ipc-concordant="B24B15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B15/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Machines or devices designed for grinding seat surfaces</text></title-part><title-part><text>Accessories therefor </text><reference><text>for spherical surfaces in general <class-ref scheme="cpc">B24B11/00</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B15/02" definition-exists="false" ipc-concordant="B24B15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B15/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in valve housings</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B15/03" definition-exists="false" ipc-concordant="B24B15/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B15/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using portable or mobile machines</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B15/04" definition-exists="false" ipc-concordant="B24B15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B15/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>on valve members</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B15/06" definition-exists="false" ipc-concordant="B24B15/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B15/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>on openings of bottles</text></title-part><title-part><text>on bottle stoppers or the like</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B15/08" definition-exists="false" ipc-concordant="B24B15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B15/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding co-operating seat surfaces by moving one over the other</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B24B17/00" definition-exists="true" ipc-concordant="B24B17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B17/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Special adaptations of machines or devices for grinding controlled by patterns, drawings, magnetic tapes or the like </text><reference><text>machines or devices so-controlled for grinding the edges of lenses <class-ref scheme="cpc">B24B9/14</class-ref>; for grinding or polishing optical lens surfaces <class-ref scheme="cpc">B24B13/06</class-ref>; for grinding non-circular cross-sections <class-ref scheme="cpc">B24B19/08</class-ref>; for grinding trochoidal surfaces <class-ref scheme="cpc">B24B19/09</class-ref>; for grinding cams <class-ref scheme="cpc">B24B19/12</class-ref>; for grinding turbine blades or the like <class-ref scheme="cpc">B24B19/14</class-ref>; such control means <u>per se</u> <class-ref scheme="cpc">B23Q33/00</class-ref>, <class-ref scheme="cpc">B23Q35/00</class-ref>, <class-ref scheme="cpc">G05</class-ref></text></reference></title-part><title-part><text>Accessories therefor</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B17/02" definition-exists="false" ipc-concordant="B24B17/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B17/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving mechanical transmission means only</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B17/021" definition-exists="false" ipc-concordant="B24B17/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B17/021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a pantograph</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B17/023" definition-exists="false" ipc-concordant="B24B17/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B17/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using two or more templates</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B17/025" definition-exists="false" ipc-concordant="B24B17/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B17/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for grinding rotating workpieces (three dimensional)</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B17/026" definition-exists="false" ipc-concordant="B24B17/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B17/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for the periphery of plane workpieces, e.g. cams, lenses</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B17/028" definition-exists="false" ipc-concordant="B24B17/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B17/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using an abrasive belt</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B17/04" definition-exists="false" ipc-concordant="B24B17/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B17/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving optical auxiliary means, e.g. optical projection form grinding machines</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B17/06" definition-exists="false" ipc-concordant="B24B17/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B17/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>combined with electrical transmission means, e.g. controlled by photoelectric cells</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B17/08" definition-exists="false" ipc-concordant="B24B17/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B17/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving fluid transmission means only</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B17/10" definition-exists="false" ipc-concordant="B24B17/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B17/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving electrical transmission means only, e.g. controlled by magnetic tape</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B24B19/00" definition-exists="true" ipc-concordant="B24B19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B19/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Single-purpose machines or devices for particular grinding operations not covered by any other main group </text><reference><text>tapering, chamfering, or relief cutting of taps or reamers <class-ref scheme="cpc">B24B3/20</class-ref>, <class-ref scheme="cpc">B24B3/22</class-ref>, grinding screw threads <class-ref scheme="cpc">B23G</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B19/001" definition-exists="false" ipc-concordant="B24B19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B19/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for table cutlery</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B19/002" definition-exists="true" ipc-concordant="B24B19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B19/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for knife blades </text><reference><text>sharpening table knife blades <class-ref scheme="cpc">B24B3/54</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B19/003" definition-exists="false" ipc-concordant="B24B19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B19/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for the underframes of locomotives</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B19/004" definition-exists="true" ipc-concordant="B24B19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B19/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for grinding rails, T, I, H or other similar profiles</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B19/005" definition-exists="false" ipc-concordant="B24B19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B19/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for grinding skins or similar sheets</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B19/006" definition-exists="false" ipc-concordant="B24B19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B19/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for grinding hollow glassware, bottles</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B19/007" definition-exists="false" ipc-concordant="B24B19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B19/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for grinding buttons, nail heads, screw heads, bottle capsules or the like</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B19/008" definition-exists="false" ipc-concordant="B24B19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B19/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for grinding ceramics, pottery, table ware</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B19/009" definition-exists="false" ipc-concordant="B24B19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B19/009</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for grinding profiled workpieces using a profiled grinding tool</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B19/02" definition-exists="false" ipc-concordant="B24B19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B19/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B19/022" definition-exists="false" ipc-concordant="B24B19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B19/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for helicoidal grooves </text><reference><text><class-ref scheme="cpc">B24B19/04</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B19/024" definition-exists="false" ipc-concordant="B24B19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B19/024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>on electrical resistances</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B19/026" definition-exists="false" ipc-concordant="B24B19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B19/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for checks for pilger rolls</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B19/028" definition-exists="false" ipc-concordant="B24B19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B19/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for microgrooves or oil spots</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B19/03" definition-exists="false" ipc-concordant="B24B19/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B19/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding grooves in glass workpieces, e.g. decorative grooves</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B19/04" definition-exists="false" ipc-concordant="B24B19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B19/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for fluting drill shanks</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B19/06" definition-exists="false" ipc-concordant="B24B19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B19/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding races, e.g. roller races</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B19/08" definition-exists="false" ipc-concordant="B24B19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B19/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B19/09" definition-exists="false" ipc-concordant="B24B19/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B19/09</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding trochoidal surfaces, e.g. in rotor housings of Wankel engines</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B19/095" definition-exists="false" ipc-concordant="B24B19/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B19/095</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using templates</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B19/10" definition-exists="false" ipc-concordant="B24B19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B19/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding pistons</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B19/11" definition-exists="true" ipc-concordant="B24B19/11" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B19/11</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding the circumferential surface of rings, e.g. piston rings </text><reference><text>grinding end faces <class-ref scheme="cpc">B24B7/16</class-ref>, <class-ref scheme="cpc">B24B7/17</class-ref></text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B19/12" definition-exists="false" ipc-concordant="B24B19/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B19/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding cams or camshafts</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B19/125" definition-exists="false" ipc-concordant="B24B19/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B19/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>electrically controlled, e.g. numerically controlled</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B19/14" definition-exists="true" ipc-concordant="B24B19/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B19/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding turbine blades, propeller blades or the like </text><reference><text>using grinding belts <class-ref scheme="cpc">B24B21/16</class-ref></text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B19/16" definition-exists="true" ipc-concordant="B24B19/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B19/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding sharp-pointed workpieces, e.g. needles, pens, fish hooks, tweezers or record player styli </text><reference><text>grinding bevels on diamonds or sapphires <class-ref scheme="cpc">B24B9/16</class-ref>; polishing of needles <class-ref scheme="cpc">B24B29/08</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B19/165" definition-exists="false" ipc-concordant="B24B19/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B19/165</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Phonograph needles and the like</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B19/18" definition-exists="true" ipc-concordant="B24B19/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B19/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding carding equipment, e.g. card-clothings </text><reference><text>devices for sharpening card-clothings built in or attachable to carding machines <class-ref scheme="cpc">D01G</class-ref></text></reference></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B19/20" definition-exists="true" ipc-concordant="B24B19/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B19/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding dies </text><reference><text>for grinding walls of very fine holes <class-ref scheme="cpc">B24B5/48</class-ref></text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B19/22" definition-exists="false" ipc-concordant="B24B19/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B19/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by a special design with respect to properties of the material of non-metallic articles to be ground</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B19/223" definition-exists="false" ipc-concordant="B24B19/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B19/223</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of paper or similar sheet material, e.g. perforating, cutting by means of a grinding wheel</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B19/226" definition-exists="true" ipc-concordant="B24B19/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B19/226</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the ends of optical fibres</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B19/24" definition-exists="true" ipc-concordant="B24B19/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B19/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of wood, e.g. furniture</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B19/26" definition-exists="true" ipc-concordant="B24B19/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B19/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding workpieces with arcuate surfaces, e.g. parts of car bodies, bumpers or magnetic recording heads </text><reference><text>grinding of spherical surfaces in general <class-ref scheme="cpc">B24B11/00</class-ref>, of optical surfaces on lenses or surfaces of similar shape on other work <class-ref scheme="cpc">B24B13/00</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B19/265" definition-exists="false" ipc-concordant="B24B19/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B19/265</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for bumpers</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B19/28" definition-exists="true" ipc-concordant="B24B19/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B19/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding shoes or linings of drum brakes </text><reference><text>of brake drum hubs <class-ref scheme="cpc">B24B5/06</class-ref>, of brake discs <class-ref scheme="cpc">B24B7/17</class-ref></text></reference></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B24B21/00" definition-exists="true" ipc-concordant="B24B21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B21/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Machines or devices using grinding or polishing belts </text><reference><text>for sharpening cutting edges of tools <class-ref scheme="cpc">B24B3/00</class-ref>; portable belt-grinding machines <class-ref scheme="cpc">B24B23/06</class-ref></text></reference></title-part><title-part><text>Accessories therefor</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B21/002" definition-exists="true" ipc-concordant="B24B21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B21/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for grinding edges or bevels</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B21/004" definition-exists="false" ipc-concordant="B24B21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B21/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using abrasive rolled strips</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B21/006" definition-exists="false" ipc-concordant="B24B21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B21/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for special purposes, e.g. for television tubes, car bumpers</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B21/008" definition-exists="false" ipc-concordant="B24B21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B21/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Machines comprising two or more tools or having several working posts </text><reference><text><class-ref scheme="cpc">B24B21/006</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B21/02" definition-exists="false" ipc-concordant="B24B21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B21/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding rotationally symmetrical surfaces</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B21/025" definition-exists="false" ipc-concordant="B24B21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B21/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for travelling elongated stock, e.g. wire</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B21/04" definition-exists="false" ipc-concordant="B24B21/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B21/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding plane surfaces</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B21/06" definition-exists="false" ipc-concordant="B24B21/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B21/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving members with limited contact area pressing the belt against the work, e.g. shoes sweeping across the whole area to be ground </text><reference><text><class-ref scheme="cpc">B24B21/12</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B21/08" definition-exists="false" ipc-concordant="B24B21/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B21/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pressure shoes; </text><CPC-specific-text><text>Pressure members, e.g.</text></CPC-specific-text><text> backing belts</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B21/10" definition-exists="false" ipc-concordant="B24B21/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B21/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving a rigid member, e.g. pressure bar, table, pressing or supporting the belt over substantially its whole span</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B21/12" definition-exists="false" ipc-concordant="B24B21/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B21/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving a contact wheel or roller pressing the belt against the work</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B21/14" definition-exists="false" ipc-concordant="B24B21/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B21/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Contact wheels</text></title-part><title-part><text>Contact rollers</text></title-part><title-part><text>Belt supporting rolls</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B21/16" definition-exists="true" ipc-concordant="B24B21/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B21/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding other surfaces of particular shape </text><reference><text>single purpose machines for grinding cams or camshafts <class-ref scheme="cpc">B24B19/12</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B21/165" definition-exists="false" ipc-concordant="B24B21/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B21/165</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for vanes or blades of turbines, propellers, impellers, compressors and the like</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B21/18" definition-exists="false" ipc-concordant="B24B21/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B21/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Accessories</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B21/20" definition-exists="false" ipc-concordant="B24B21/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B21/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for controlling or adjusting the tracking or the tension of the grinding belt</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B21/22" definition-exists="false" ipc-concordant="B24B21/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B21/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for producing a reciprocation of the grinding belt normal to its direction of movement</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B24B23/00" definition-exists="true" ipc-concordant="B24B23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B23/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Portable grinding machines, e.g. hand-guided</text></title-part><title-part><text>Accessories therefor </text><reference><text><class-ref scheme="cpc">B24B7/18</class-ref> takes precedence; for grinding seat surfaces <class-ref scheme="cpc">B24B15/00</class-ref>; having a flexible shaft <class-ref scheme="cpc">B24B27/027</class-ref>; grinders for cutting-off <class-ref scheme="cpc">B24B27/08</class-ref>; dust extraction equipment <class-ref scheme="cpc">B24B55/10</class-ref>; details or components, e.g. casings, bodies of portable power-driven tools not particularly related to the operation performed <class-ref scheme="cpc">B25F5/00</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B23/005" definition-exists="false" ipc-concordant="B24B23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B23/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Auxiliary devices used in connection with portable grinding machines, e.g. holders</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B23/02" definition-exists="false" ipc-concordant="B24B23/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B23/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with rotating grinding tools</text></title-part><title-part><text>Accessories therefor</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B23/022" definition-exists="false" ipc-concordant="B24B23/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B23/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Spindle-locking devices, e.g. for mounting or removing the tool</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B23/024" definition-exists="false" ipc-concordant="B24B23/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B23/024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>driven by hands or feet</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B23/026" definition-exists="false" ipc-concordant="B24B23/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B23/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fluid driven</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B23/028" definition-exists="false" ipc-concordant="B24B23/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B23/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Angle tools</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B23/03" definition-exists="false" ipc-concordant="B24B23/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B23/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the tool being driven in a combined movement</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B23/04" definition-exists="false" ipc-concordant="B24B23/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B23/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with oscillating grinding tools</text></title-part><title-part><text>Accessories therefor</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B23/043" definition-exists="false" ipc-concordant="B24B23/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B23/043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>reciprocatingly driven by a pneumatic or hydraulic piston</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B23/046" definition-exists="false" ipc-concordant="B24B23/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B23/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Clamping or tensioning means for abrasive sheets</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B23/06" definition-exists="false" ipc-concordant="B24B23/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B23/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with abrasive belts, e.g. with endless travelling belts</text></title-part><title-part><text>Accessories therefor</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B23/08" definition-exists="false" ipc-concordant="B24B23/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B24B23/08</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Portable grinding machines designed for fastening on workpieces or other parts of particular section, e.g. for grinding commutators</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B24B25/00" definition-exists="true" ipc-concordant="B24B25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B25/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Grinding machines of universal type</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B24B27/00" definition-exists="true" ipc-concordant="B24B27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B27/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other grinding machines or devices</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B27/0007" definition-exists="false" ipc-concordant="B24B27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B27/0007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Movable machines</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B27/0015" definition-exists="false" ipc-concordant="B24B27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B27/0015</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Hanging grinding machines</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B27/0023" definition-exists="false" ipc-concordant="B24B27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B27/0023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>grinding machines with a plurality of working posts</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B27/003" definition-exists="false" ipc-concordant="B24B27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B27/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a tool turning around the work-piece</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B27/0038" definition-exists="false" ipc-concordant="B24B27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B27/0038</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with the grinding tool mounted at the end of a set of bars</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B27/0046" definition-exists="false" ipc-concordant="B24B27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B27/0046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Column grinding machines</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B27/0053" definition-exists="false" ipc-concordant="B24B27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B27/0053</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Radial grinding machines</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B27/0061" definition-exists="false" ipc-concordant="B24B27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B27/0061</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having several tools on a revolving tools box</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B27/0069" definition-exists="false" ipc-concordant="B24B27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B27/0069</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means for feeding the work-pieces to the grinding tool, e.g. turntables, transfer means </text><reference><text><u>see</u> also <class-ref scheme="cpc">B24B27/0023</class-ref>, <class-ref scheme="cpc">B24B7/16</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B27/0076" definition-exists="false" ipc-concordant="B24B27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B27/0076</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>grinding machines comprising <u> two or more</u> grinding tools</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B27/0084" definition-exists="false" ipc-concordant="B24B27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B27/0084</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the grinding wheel support being angularly adjustable</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B27/0092" definition-exists="false" ipc-concordant="B24B27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B27/0092</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Grinding attachments for lathes or the like</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B27/02" definition-exists="false" ipc-concordant="B24B27/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B27/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Bench grinders</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B27/027" definition-exists="false" ipc-concordant="B24B27/027" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B27/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having a flexible shaft</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B27/033" definition-exists="false" ipc-concordant="B24B27/033" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B27/033</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B27/04" definition-exists="false" ipc-concordant="B24B27/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B27/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Grinding machines or devices in which the grinding tool is supported on a swinging arm</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B27/06" definition-exists="false" ipc-concordant="B24B27/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B27/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Grinders for cutting-off</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B27/0608" definition-exists="false" ipc-concordant="B24B27/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B27/0608</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a saw movable on slideways</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B27/0616" definition-exists="false" ipc-concordant="B24B27/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B27/0616</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a tool turning around the workpiece</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B27/0625" definition-exists="false" ipc-concordant="B24B27/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B27/0625</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>whereby the workpieces are radially fed by means of a turning drum</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B27/0633" definition-exists="false" ipc-concordant="B24B27/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B27/0633</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a cutting wire</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B27/0641" definition-exists="false" ipc-concordant="B24B27/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B27/0641</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for grinding holes</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B27/065" definition-exists="false" ipc-concordant="B24B27/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B27/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the saw being mounted on a pivoting arm</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B27/0658" definition-exists="false" ipc-concordant="B24B27/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B27/0658</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for cutting workpieces while they are turning about their longitudinal axis</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B27/0666" definition-exists="false" ipc-concordant="B24B27/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B27/0666</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the saw blade being arranged underneath a work-table</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B27/0675" definition-exists="false" ipc-concordant="B24B27/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B27/0675</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>methods therefor</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B27/0683" definition-exists="false" ipc-concordant="B24B27/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B27/0683</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Accessories therefor</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B27/0691" definition-exists="false" ipc-concordant="B24B27/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B27/0691</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for controlling the feeding or return movement of the saw</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B27/08" definition-exists="false" ipc-concordant="B24B27/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B27/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>being portable</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B27/085" definition-exists="false" ipc-concordant="B24B27/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B27/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Stands therefor</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="B24B29/00" date-revised="2013-01-01" status="published"><classification-symbol>B24B29/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polishing surfaces </text><reference><text>machines or devices for grinding or polishing glass <class-ref scheme="cpc">B24B7/24</class-ref>, <class-ref scheme="cpc">B24B9/00</class-ref>, <class-ref scheme="cpc">B24B13/00</class-ref>; for grinding or polishing using belts <class-ref scheme="cpc">B24B21/00</class-ref></text></reference></title-part><title-part><text>Finishing surfaces </text><reference><text><class-ref scheme="cpc">B24B3/00</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B24B29/00" definition-exists="true" ipc-concordant="B24B29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B29/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents </text><reference><text>polishing tools in general <class-ref scheme="cpc">B24D13/00</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B29/005" definition-exists="false" ipc-concordant="B24B29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B29/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using brushes</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B29/02" definition-exists="false" ipc-concordant="B24B29/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B29/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>designed for particular workpieces</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B29/04" definition-exists="false" ipc-concordant="B24B29/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B29/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for rotationally symmetrical workpieces, e.g. ball-, cylinder- or cone-shaped workpieces</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B29/06" definition-exists="false" ipc-concordant="B24B29/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B29/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for elongated workpieces having uniform cross-section in one main direction</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B29/08" definition-exists="false" ipc-concordant="B24B29/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B29/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the cross-section being circular, e.g. tubes, wires, needles</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B29/10" definition-exists="false" ipc-concordant="B24B29/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B29/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for table cutlery</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B24B31/00" definition-exists="true" ipc-concordant="B24B31/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B31/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose</text></title-part><title-part><text>Accessories therefor </text><reference><text>abrasive blasting machines <class-ref scheme="cpc">B24C3/26</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B31/003" definition-exists="false" ipc-concordant="B24B31/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B31/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>whereby the workpieces are mounted on a holder and are immersed in the abrasive material</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B31/006" definition-exists="false" ipc-concordant="B24B31/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B31/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for grinding the interior surfaces of hollow workpieces</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B31/02" definition-exists="false" ipc-concordant="B24B31/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B31/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving rotary barrels</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B31/0206" definition-exists="false" ipc-concordant="B24B31/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B31/0206</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for descaling wires travelling through the rotating drum</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B31/0212" definition-exists="false" ipc-concordant="B24B31/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B31/0212</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the barrels being submitted to a composite rotary movement</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B31/0218" definition-exists="false" ipc-concordant="B24B31/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B31/0218</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the barrels are moving around two parallel axes, e.g. gyratory, planetary movement </text><reference><text><class-ref scheme="cpc">B24B31/033</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B31/0224" definition-exists="false" ipc-concordant="B24B31/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B31/0224</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the workpieces being fitted on a support</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B31/023" definition-exists="false" ipc-concordant="B24B31/023" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B31/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with tiltable axis</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B31/027" definition-exists="false" ipc-concordant="B24B31/027" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B31/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with additional oscillating movement</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B31/03" definition-exists="false" ipc-concordant="B24B31/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B31/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the workpieces being continuously-travelling</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B31/033" definition-exists="false" ipc-concordant="B24B31/033" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B31/033</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having several rotating or tumbling drums with parallel axes</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B31/037" definition-exists="false" ipc-concordant="B24B31/037" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B31/037</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having several rotating or tumbling drums with non-parallel axes </text><CPC-specific-text><reference><text><class-ref scheme="cpc">B24B31/0212</class-ref>, <class-ref scheme="cpc">B24B31/0218</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B31/05" definition-exists="false" ipc-concordant="B24B31/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>B24B31/05</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>involving a container formed as a conveyor belt</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B31/06" definition-exists="false" ipc-concordant="B24B31/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B31/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving oscillating or vibrating containers</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B31/062" definition-exists="false" ipc-concordant="B24B31/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B31/062</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the workpieces travelling through the containers </text><reference><text><class-ref scheme="cpc">B24B31/067</class-ref>, <class-ref scheme="cpc">B24B31/073</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B31/064" definition-exists="false" ipc-concordant="B24B31/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B31/064</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the workpieces being fitted on a support</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B31/067" definition-exists="false" ipc-concordant="B24B31/067" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B31/067</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving a bowl formed as a straight through</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B31/073" definition-exists="false" ipc-concordant="B24B31/073" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B31/073</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving a bowl being ring- or spiral-shaped</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B31/10" definition-exists="false" ipc-concordant="B24B31/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B31/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving other means for tumbling of work</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B31/102" definition-exists="false" ipc-concordant="B24B31/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B31/102</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using an alternating magnetic field</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B31/104" definition-exists="false" ipc-concordant="B24B31/104" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B31/104</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving a rotating bowl, in which a ring zone of abrasive powder is formed by centrifugal force</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B31/108" definition-exists="false" ipc-concordant="B24B31/108" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B31/108</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving a sectioned bowl, one part of which, e.g. its wall, is stationary and the other part of which is moved, e.g. rotated</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B31/112" definition-exists="false" ipc-concordant="B24B31/112" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B31/112</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using magnetically consolidated grinding powder, moved relatively to the workpiece under the influence of pressure</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B31/116" definition-exists="true" ipc-concordant="B24B31/116" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B31/116</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using plastically deformable grinding compound, moved relatively to the workpiece under the influence of pressure</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B31/12" definition-exists="true" ipc-concordant="B24B31/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-10-01" status="published"><classification-symbol>B24B31/12</classification-symbol><class-title date-revised="2015-10-01"><title-part><text>Accessories</text></title-part><title-part><text>Protective equipment or safety devices</text></title-part><title-part><text>Installations for exhaustion of dust or for sound absorption specially adapted for machines covered by group <class-ref scheme="cpc">B24B31/00</class-ref> </text><CPC-specific-text><reference><text>in general <class-ref scheme="cpc">B24B55/00</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B31/14" definition-exists="false" ipc-concordant="B24B31/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B31/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Abrading-bodies specially designed for tumbling apparatus, e.g. abrading-balls</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B31/16" definition-exists="false" ipc-concordant="B24B31/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B31/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for separating the workpiece from the abrasive medium at the end of operation</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B24B33/00" definition-exists="true" ipc-concordant="B24B33/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B33/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Honing machines or devices</text></title-part><title-part><text>Accessories therefor</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B33/02" definition-exists="false" ipc-concordant="B24B33/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B33/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>designed for working internal surfaces of revolution, e.g. of cylindrical or conical shapes</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B33/022" definition-exists="false" ipc-concordant="B24B33/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B33/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Horizontal honing machines</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B33/025" definition-exists="false" ipc-concordant="B24B33/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B33/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Internal surface of conical shape</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B33/027" definition-exists="false" ipc-concordant="B24B33/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B33/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using an unexpandable tool</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B33/04" definition-exists="false" ipc-concordant="B24B33/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B33/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>designed for working external surfaces of revolution</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B33/05" definition-exists="false" ipc-concordant="B24B33/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B33/05</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>designed for working grooves, e.g. in gun barrels</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B33/055" definition-exists="false" ipc-concordant="B24B33/055" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B33/055</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>designed for working plane surfaces</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B33/06" definition-exists="true" ipc-concordant="B24B33/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B33/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with controlling or gauging equipment </text><reference><text>gauging in general <class-ref scheme="cpc">G01B</class-ref>; controlling in general <class-ref scheme="cpc">G05</class-ref></text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B33/08" definition-exists="true" ipc-concordant="B24B33/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B33/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Honing tools </text><CPC-specific-text><reference><text>for manufacturing gear teeth <class-ref scheme="cpc">B23F21/03</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B33/081" definition-exists="false" ipc-concordant="B24B33/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B33/081</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for external surfaces</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B33/082" definition-exists="false" ipc-concordant="B24B33/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B33/082</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having only one honing stone</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B33/083" definition-exists="false" ipc-concordant="B24B33/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B33/083</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with different sets of honing stones</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B33/084" definition-exists="false" ipc-concordant="B24B33/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B33/084</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having honing stones at the end of bars</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B33/085" definition-exists="false" ipc-concordant="B24B33/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B33/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in which the honing element consists of a deformable body</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B33/086" definition-exists="false" ipc-concordant="B24B33/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B33/086</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Abrading blocks for honing tools</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B33/087" definition-exists="false" ipc-concordant="B24B33/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B33/087</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>provided with measuring equipment</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B33/088" definition-exists="false" ipc-concordant="B24B33/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B33/088</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for holes having a shape other than cylindrical</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B33/089" definition-exists="false" ipc-concordant="B24B33/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B33/089</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a rack-and-pinion mechanism for expanding the honing segments</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B33/10" definition-exists="false" ipc-concordant="B24B33/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B33/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Accessories</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B33/105" definition-exists="false" ipc-concordant="B24B33/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B33/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Honing spindles; Devices for expanding the honing elements </text><reference><text><class-ref scheme="cpc">B24B33/04</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B24B35/00" definition-exists="true" ipc-concordant="B24B35/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B35/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Machines or devices designed for superfinishing surfaces on work, i.e. by means of abrading blocks reciprocating with high frequency</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B35/005" definition-exists="true" ipc-concordant="B24B35/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B35/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for making three-dimensional objects </text><reference><text>by electroerosion <class-ref scheme="cpc">B23H5/04</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B24B37/00" definition-exists="true" ipc-concordant="B24B37/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B37/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Lapping machines or devices</text></title-part><title-part><text>Accessories </text><reference><text><class-ref scheme="cpc">B24B3/00</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B37/005" definition-exists="true" ipc-concordant="B24B37/005" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B37/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control means for lapping machines or devices</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B37/0053" definition-exists="false" ipc-concordant="B24B37/005" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B37/0053</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>detecting loss or breakage of a workpiece during lapping</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B37/0056" definition-exists="false" ipc-concordant="B24B37/005" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B37/0056</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>taking regard of the pH-value of lapping agents</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B37/013" definition-exists="true" ipc-concordant="B24B37/013" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B37/013</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Devices or means for detecting lapping completion</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B37/015" definition-exists="true" ipc-concordant="B24B37/015" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B37/015</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Temperature control</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B37/02" definition-exists="true" ipc-concordant="B24B37/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B37/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>designed for working surfaces of revolution</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B37/022" definition-exists="false" ipc-concordant="B24B37/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B37/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the movement of the work between two lapping plates</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B37/025" definition-exists="false" ipc-concordant="B24B37/025" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B37/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>designed for working spherical surfaces</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B37/04" definition-exists="true" ipc-concordant="B24B37/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B37/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>designed for working plane surfaces</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B37/042" definition-exists="false" ipc-concordant="B24B37/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B37/042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>operating processes therefor</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B37/044" definition-exists="false" ipc-concordant="B24B37/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B37/044</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the composition of the lapping agent</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B37/046" definition-exists="false" ipc-concordant="B24B37/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B37/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using electric current</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B37/048" definition-exists="false" ipc-concordant="B24B37/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B37/048</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of sliders and magnetic heads of hard disc drives or the like</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B37/07" definition-exists="true" ipc-concordant="B24B37/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B37/07</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the movement of the work or lapping tool</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B37/08" definition-exists="false" ipc-concordant="B24B37/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B37/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for double side lapping</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B37/10" definition-exists="false" ipc-concordant="B24B37/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B37/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for single side lapping</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B24B37/102" definition-exists="false" ipc-concordant="B24B37/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B37/102</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the workpieces or work carriers being able to rotate freely due to a frictional contact with the lapping tool</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B24B37/105" definition-exists="false" ipc-concordant="B24B37/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B37/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the workpieces or work carriers being actively moved by a drive, e.g. in a combined rotary and translatory movement</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B24B37/107" definition-exists="false" ipc-concordant="B24B37/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B37/107</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in a rotary movement only, about an axis being stationary during lapping</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B37/11" definition-exists="false" ipc-concordant="B24B37/11" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B37/11</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Lapping tools</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B37/12" definition-exists="true" ipc-concordant="B24B37/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B37/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Lapping plates for working plane surfaces</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B37/14" definition-exists="false" ipc-concordant="B24B37/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B37/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the composition or properties of the plate materials</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B37/16" definition-exists="true" ipc-concordant="B24B37/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B37/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the shape of the lapping plate surface, e.g. grooved</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B37/20" definition-exists="true" ipc-concordant="B24B37/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B37/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Lapping pads for working plane surfaces</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B37/205" definition-exists="false" ipc-concordant="B24B37/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B37/205</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>provided with a window for inspecting the surface of the work being lapped</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B37/22" definition-exists="true" ipc-concordant="B24B37/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B37/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by a multi-layered structure</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B37/24" definition-exists="false" ipc-concordant="B24B37/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B37/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the composition or properties of the pad materials</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B24B37/245" definition-exists="true" ipc-concordant="B24B37/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B37/245</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pads with fixed abrasives</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B37/26" definition-exists="true" ipc-concordant="B24B37/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B37/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the shape of the lapping pad surface, e.g. grooved</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B37/27" definition-exists="true" ipc-concordant="B24B37/27" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B37/27</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Work carriers</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B37/28" definition-exists="false" ipc-concordant="B24B37/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B37/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for double side lapping of plane surfaces</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B37/30" definition-exists="false" ipc-concordant="B24B37/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B37/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for single side lapping of plane surfaces</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B37/32" definition-exists="false" ipc-concordant="B24B37/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B37/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Retaining rings</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B37/34" definition-exists="true" ipc-concordant="B24B37/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B37/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Accessories</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B37/345" definition-exists="true" ipc-concordant="B24B37/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B37/345</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Feeding, loading or unloading work specially adapted to lapping</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B24B39/00" definition-exists="true" ipc-concordant="B24B39/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B39/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Burnishing machines or devices, i.e. requiring pressure members for compacting the surface zone </text><reference><text>modifying the physical properties or structure of metal by burnishing <class-ref scheme="cpc">C21D7/08</class-ref>, <class-ref scheme="cpc">C22F1/00</class-ref></text></reference></title-part><title-part><text>Accessories therefor</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B39/003" definition-exists="false" ipc-concordant="B24B39/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B24B39/003</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>the working tool being composed of a plurality of working rolls or balls</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B39/006" definition-exists="true" ipc-concordant="B24B39/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B39/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Peening and tools therefor</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B39/02" definition-exists="false" ipc-concordant="B24B39/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B39/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>designed for working internal surfaces of revolution</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B39/023" definition-exists="false" ipc-concordant="B24B39/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B24B39/023</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>the working tool being composed of a plurality of working rolls or balls</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B39/026" definition-exists="false" ipc-concordant="B24B39/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B39/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Impact burnishing</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B39/04" definition-exists="false" ipc-concordant="B24B39/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B39/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>designed for working external surfaces of revolution</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B39/045" definition-exists="false" ipc-concordant="B24B39/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B24B39/045</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>the working tool being composed of a plurality of working rolls or balls</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B39/06" definition-exists="false" ipc-concordant="B24B39/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B39/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>designed for working plane surfaces</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B39/065" definition-exists="false" ipc-concordant="B24B39/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B39/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Graining of metal plates, e.g. printing or lithographic plates</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="B24B41/00" date-revised="2013-01-01" status="published"><classification-symbol>B24B41/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Component parts of grinding machines or devices so far as specially adapted to grinding </text><reference><text>if applicable to other machine tools, <class-ref scheme="cpc">B23Q</class-ref> takes precedence; if peculiar to a particular type of machine or device, <u>see</u> the relevant group therefor</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B24B41/00" definition-exists="true" ipc-concordant="B24B41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B41/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Component parts such as frames, beds, carriages, headstocks</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B41/002" definition-exists="false" ipc-concordant="B24B41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B41/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Grinding heads</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B41/005" definition-exists="true" ipc-concordant="B24B41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B41/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Feeding or manipulating devices specially adapted to grinding machines </text><reference><text>feeding, loading or unloading work specially adapted to lapping machines <class-ref scheme="cpc">B24B37/345</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B41/007" definition-exists="false" ipc-concordant="B24B41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B41/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Weight compensation; Temperature compensation; Vibration damping</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B41/02" definition-exists="false" ipc-concordant="B24B41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B41/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Frames</text></title-part><title-part><text>Beds</text></title-part><title-part><text>Carriages</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B41/04" definition-exists="false" ipc-concordant="B24B41/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B41/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Headstocks</text></title-part><title-part><text>Working-spindles</text></title-part><title-part><text>Features relating thereto</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B41/042" definition-exists="false" ipc-concordant="B24B41/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B41/042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Balancing mechanisms</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B41/044" definition-exists="true" ipc-concordant="B24B41/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B41/044</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Grinding spindles with magnetic or electromagnetic bearings; Features related thereto </text><reference><text>electric motors with magnetic bearings <class-ref scheme="cpc">H02K7/09</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B41/047" definition-exists="false" ipc-concordant="B24B41/047" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B41/047</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Grinding heads for working on plane surfaces</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B41/0475" definition-exists="false" ipc-concordant="B24B41/047" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B41/0475</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>equipped with oscillating abrasive blocks, e.g. mounted on a rotating head</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B41/053" definition-exists="false" ipc-concordant="B24B41/053" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B41/053</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for grinding or polishing glass </text><CPC-specific-text><reference><text><class-ref scheme="cpc">B24B41/0475</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B41/06" definition-exists="false" ipc-concordant="B24B41/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B41/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Work supports, e.g. adjustable steadies </text><reference><text><class-ref scheme="cpc">B24B37/27</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B41/061" definition-exists="false" ipc-concordant="B24B41/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B41/061</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>axially supporting turning workpieces, e.g. magnetically, pneumatically</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B41/062" definition-exists="false" ipc-concordant="B24B41/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B41/062</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>between centres; Dogs</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B24B41/063" definition-exists="false" ipc-concordant="B24B41/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B41/063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Lubrication of centres</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B41/065" definition-exists="false" ipc-concordant="B24B41/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B41/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Steady rests</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B41/066" definition-exists="true" ipc-concordant="B24B41/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B41/066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>adapted for supporting work in the form of tools, e.g. drills</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B41/067" definition-exists="false" ipc-concordant="B24B41/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B41/067</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>radially supporting workpieces</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B41/068" definition-exists="false" ipc-concordant="B24B41/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B41/068</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Table-like supports for panels, sheets or the like</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B24B45/00" definition-exists="true" ipc-concordant="B24B45/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B45/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for securing grinding wheels on rotary arbors </text><reference><text>suppression of vibrations in systems <class-ref scheme="cpc">F16F15/00</class-ref>; testing static or dynamic balancing of machines <class-ref scheme="cpc">G01M1/00</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B45/003" definition-exists="false" ipc-concordant="B24B45/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B45/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Accessories therefor</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B45/006" definition-exists="false" ipc-concordant="B24B45/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B45/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Quick mount and release means for disc-like wheels, e.g. on power tools</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B24B47/00" definition-exists="true" ipc-concordant="B24B47/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B47/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Drives or gearings</text></title-part><title-part><text>Equipment therefor</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B47/02" definition-exists="false" ipc-concordant="B24B47/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B47/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for performing a reciprocating movement of carriages or work- tables</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B47/04" definition-exists="false" ipc-concordant="B24B47/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B47/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by mechanical gearing only</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B47/06" definition-exists="false" ipc-concordant="B24B47/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B47/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by liquid or gas pressure only</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B47/08" definition-exists="false" ipc-concordant="B24B47/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B47/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by mechanical gearing combined with fluid systems</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B47/10" definition-exists="false" ipc-concordant="B24B47/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B47/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for rotating or reciprocating working-spindles carrying grinding wheels or workpieces</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B47/12" definition-exists="false" ipc-concordant="B24B47/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B47/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by mechanical gearing or electric power </text><reference><text><class-ref scheme="cpc">B24B47/16</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B47/14" definition-exists="false" ipc-concordant="B24B47/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B47/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by liquid or gas pressure </text><reference><text><class-ref scheme="cpc">B24B47/16</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B47/16" definition-exists="false" ipc-concordant="B24B47/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B47/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>performing a reciprocating movement, e.g. during which the sense of rotation of the working-spindle is reversed</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B47/18" definition-exists="false" ipc-concordant="B24B47/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B47/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for rotating the spindle at a speed adaptable to wear of the grinding wheel</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B47/20" definition-exists="false" ipc-concordant="B24B47/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B47/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>relating to feed movement</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B47/203" definition-exists="false" ipc-concordant="B24B47/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B47/203</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>driven by hand</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B47/206" definition-exists="false" ipc-concordant="B24B47/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B47/206</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for centreless grinding machines; for machines comprising work supports, e.g. steady rests</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B47/22" definition-exists="false" ipc-concordant="B24B47/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B47/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B47/225" definition-exists="false" ipc-concordant="B24B47/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B47/225</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for bevelling optical work, e.g. lenses</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B47/25" definition-exists="false" ipc-concordant="B24B47/25" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B47/25</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for compensating grinding wheel abrasion resulting from dressing</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B47/26" definition-exists="false" ipc-concordant="B24B47/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B47/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Accessories, e.g. stops</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B47/28" definition-exists="false" ipc-concordant="B24B47/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B47/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Equipment for preventing backlash</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="B24B49/00" date-revised="2013-01-01" status="published"><classification-symbol>B24B49/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Measuring</text></title-part><title-part><text>Indicating</text></title-part><title-part><text>Controlling</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B24B49/00" definition-exists="true" ipc-concordant="B24B49/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B49/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Measuring or gauging equipment for controlling the feed movement of the grinding tool or work</text></title-part><title-part><text>Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation </text><reference><text><class-ref scheme="cpc">B24B33/06</class-ref>, <class-ref scheme="cpc">B24B37/005</class-ref> take precedence; if applicable to other machine tools, <class-ref scheme="cpc">B23Q15/00</class-ref> - <class-ref scheme="cpc">B23Q17/00</class-ref> take precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B49/003" definition-exists="false" ipc-concordant="B24B49/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B49/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>involving acoustic means</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B49/006" definition-exists="false" ipc-concordant="B24B49/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B49/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>taking regard of the speed</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B49/02" definition-exists="false" ipc-concordant="B24B49/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B49/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>according to the instantaneous size and required size of the workpiece acted upon, the measuring or gauging being continuous or intermittent </text><reference><text><class-ref scheme="cpc">B24B49/12</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B49/03" definition-exists="false" ipc-concordant="B24B49/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B49/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>according to the final size of the previously ground workpiece</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B49/04" definition-exists="false" ipc-concordant="B24B49/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B49/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving measurement of the workpiece at the place of grinding during grinding operation</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B49/045" definition-exists="false" ipc-concordant="B24B49/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B49/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Specially adapted gauging instruments</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B49/05" definition-exists="false" ipc-concordant="B24B49/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B49/05</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>including the measurement of a first workpiece already machined and of another workpiece being machined and to be matched with the first one</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B49/06" definition-exists="false" ipc-concordant="B24B49/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B49/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>requiring comparison of the workpiece with standard gauging plugs, rings or the like</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B49/08" definition-exists="false" ipc-concordant="B24B49/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B49/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving liquid or pneumatic means</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B49/10" definition-exists="false" ipc-concordant="B24B49/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B49/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving electrical means </text><reference><text><class-ref scheme="cpc">B24B49/02</class-ref>, <class-ref scheme="cpc">B24B49/08</class-ref> take precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B49/105" definition-exists="false" ipc-concordant="B24B49/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B49/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using eddy currents</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B49/12" definition-exists="false" ipc-concordant="B24B49/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B49/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving optical means</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B49/14" definition-exists="false" ipc-concordant="B24B49/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B49/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>taking regard of the temperature during grinding</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B49/16" definition-exists="false" ipc-concordant="B24B49/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B49/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>taking regard of the load</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B49/165" definition-exists="false" ipc-concordant="B24B49/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B49/165</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for grinding tyres</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B49/18" definition-exists="false" ipc-concordant="B24B49/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B24B49/18</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>taking regard of the presence of dressing tools</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B49/183" definition-exists="false" ipc-concordant="B24B49/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B49/183</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Wear compensation without the presence of dressing tools</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B49/186" definition-exists="false" ipc-concordant="B24B49/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B49/186</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>taking regard of the wear of the dressing tools</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B24B51/00" definition-exists="true" ipc-concordant="B24B51/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B51/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangements for automatic control of a series of individual steps in grinding a workpiece </text><reference><text>if applicable to other machine tools, <class-ref scheme="cpc">G05B</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B24B53/00" definition-exists="true" ipc-concordant="B24B53/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B53/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Devices or means for dressing or conditioning abrasive surfaces </text><reference><text>compensation for grinding wheel abrasion resulting from dressing <class-ref scheme="cpc">B24B47/25</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B53/001" definition-exists="false" ipc-concordant="B24B53/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B53/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>involving the use of electric current</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B53/003" definition-exists="false" ipc-concordant="B24B53/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B53/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using at least two conditioning tools</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B53/005" definition-exists="false" ipc-concordant="B24B53/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B53/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Positioning devices for conditioning tools</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B53/007" definition-exists="false" ipc-concordant="B24B53/007" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B53/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cleaning of grinding wheels</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B53/013" definition-exists="false" ipc-concordant="B24B53/013" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B53/013</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Application of loose grinding agent as auxiliary tool during truing operation</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B53/017" definition-exists="false" ipc-concordant="B24B53/017" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B53/017</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Devices or means for dressing, cleaning or otherwise conditioning lapping tools</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B53/02" definition-exists="false" ipc-concordant="B24B53/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B53/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of plane surfaces on abrasive tools </text><reference><text><class-ref scheme="cpc">B24B53/017</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B53/04" definition-exists="false" ipc-concordant="B24B53/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B53/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of cylindrical or conical surfaces on abrasive tools or wheels </text><reference><text><class-ref scheme="cpc">B24B53/017</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B53/047" definition-exists="false" ipc-concordant="B24B53/047" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B53/047</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>equipped with one or more diamonds</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B53/053" definition-exists="false" ipc-concordant="B24B53/053" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B53/053</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using a rotary dressing tool</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B53/06" definition-exists="false" ipc-concordant="B24B53/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B53/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of profiled abrasive wheels</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B53/062" definition-exists="false" ipc-concordant="B24B53/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B53/062</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using rotary dressing tools </text><reference><text><class-ref scheme="cpc">B24B53/07</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B53/065" definition-exists="false" ipc-concordant="B24B53/065" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B53/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having other than straight profiles, e.g. crowned </text><reference><text><class-ref scheme="cpc">B24B53/07</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B53/07" definition-exists="false" ipc-concordant="B24B53/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B53/07</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by means of forming tools having a shape complementary to that to be produced, e.g. blocks, profile rolls</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B53/075" definition-exists="false" ipc-concordant="B24B53/075" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B53/075</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for workpieces having a grooved profile, e.g. gears, splined shafts, threads, worms </text><reference><text><class-ref scheme="cpc">B24B53/07</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B53/08" definition-exists="false" ipc-concordant="B24B53/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B53/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>controlled by information means, e.g. patterns, templets, punched tapes or the like</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B53/081" definition-exists="false" ipc-concordant="B24B53/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B53/081</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by means of a template</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B24B53/082" definition-exists="false" ipc-concordant="B24B53/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B53/082</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for tools having a screw-thread profile</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B53/083" definition-exists="false" ipc-concordant="B24B53/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B53/083</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for tools having a screw-thread profile </text><reference><text><class-ref scheme="cpc">B24B53/081</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B53/085" definition-exists="false" ipc-concordant="B24B53/085" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B53/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for workpieces having a grooved profile, e.g. gears, splined shafts, threads, worms </text><CPC-specific-text><reference><text><class-ref scheme="cpc">B24B53/082</class-ref>, <class-ref scheme="cpc">B24B53/083</class-ref>, <class-ref scheme="cpc">B24B53/09</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B53/09" definition-exists="false" ipc-concordant="B24B53/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B53/09</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having transfer elements formed as pantograph mechanism</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B53/095" definition-exists="true" ipc-concordant="B24B53/095" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B53/095</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cooling or lubricating during dressing operation </text><reference><text>cooling the grinding surfaces <class-ref scheme="cpc">B24B55/02</class-ref></text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B53/10" definition-exists="false" ipc-concordant="B24B53/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B53/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of travelling flexible backings coated with abrasives</text></title-part><title-part><text>Cleaning of abrasive belts</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B53/12" definition-exists="false" ipc-concordant="B24B53/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B53/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Dressing tools</text></title-part><title-part><text>Holders therefor</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B53/14" definition-exists="false" ipc-concordant="B24B53/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B53/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Dressing tools equipped with rotary rollers or cutters</text></title-part><title-part><text>Holders therefor</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B24B55/00" definition-exists="true" ipc-concordant="B24B55/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B55/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Safety devices for grinding or polishing machines</text></title-part><title-part><text>Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition </text><reference><text>of general applicability for machine tools <class-ref scheme="cpc">B23Q11/00</class-ref>; in general <class-ref scheme="cpc">F16P</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B55/02" definition-exists="true" ipc-concordant="B24B55/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B55/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant </text><reference><text>cooling or lubricating during dressing operation <class-ref scheme="cpc">B24B53/095</class-ref>; incorporated in grinding wheels <class-ref scheme="cpc">B24D</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B55/03" definition-exists="false" ipc-concordant="B24B55/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B55/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>designed as a complete equipment for feeding or clarifying coolant</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B55/04" definition-exists="true" ipc-concordant="B24B55/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B55/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Protective covers for the grinding wheel</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B55/045" definition-exists="false" ipc-concordant="B24B55/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B55/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with cooling means incorporated</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B55/05" definition-exists="false" ipc-concordant="B24B55/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B55/05</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>specially designed for portable grinding machines</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B55/052" definition-exists="false" ipc-concordant="B24B55/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B55/052</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with rotating tools</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B55/055" definition-exists="false" ipc-concordant="B24B55/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B55/055</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with oscillating tools</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B55/057" definition-exists="false" ipc-concordant="B24B55/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B55/057</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with belt-like tools</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B55/06" definition-exists="true" ipc-concordant="B24B55/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B55/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Dust extraction equipment on grinding or polishing machines </text><reference><text><class-ref scheme="cpc">B24B31/12</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B55/08" definition-exists="false" ipc-concordant="B24B55/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B55/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>specially designed for belt grinding machines</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B24B55/10" definition-exists="false" ipc-concordant="B24B55/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B55/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>specially designed for portable grinding machines, e.g. hand-guided</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B55/102" definition-exists="false" ipc-concordant="B24B55/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B55/102</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with rotating tools</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B55/105" definition-exists="false" ipc-concordant="B24B55/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B55/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with oscillating tools</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B24B55/107" definition-exists="false" ipc-concordant="B24B55/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B55/107</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with belt-like tools</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B55/12" definition-exists="false" ipc-concordant="B24B55/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B55/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Devices for exhausting mist of oil or coolant</text></title-part><title-part><text>Devices for collecting or recovering materials resulting from grinding or polishing, e.g. of precious metals, precious stones, diamonds or the like</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B24B57/00" definition-exists="true" ipc-concordant="B24B57/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B57/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents </text><reference><text>for abrasive blasting <class-ref scheme="cpc">B24C1/00</class-ref>, <class-ref scheme="cpc">B24C7/00</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B57/02" definition-exists="false" ipc-concordant="B24B57/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B57/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for feeding of fluid, sprayed, pulverised, or liquefied grinding, polishing or lapping agents</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B24B57/04" definition-exists="false" ipc-concordant="B24B57/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B24B57/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for feeding of solid grinding, polishing or lapping agents</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></class-scheme> |