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91 lines
46 KiB
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91 lines
46 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="B23H" definition-exists="false" date-revised="2018-08-01" status="published"><classification-symbol>B23H</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL</text></title-part><title-part><text>SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL </text><reference><text>processes for the electrolytic or electrophoretic production of coatings, electroforming, or apparatus therefor <class-ref scheme="cpc">C25D</class-ref>; processes for the electrolytic removal of material from objects <class-ref scheme="cpc">C25F</class-ref>; manufacturing printed circuits using precipitation techniques to apply the conductive material to form the desired conductive pattern <class-ref scheme="cpc">H05K3/18</class-ref></text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>This subclass <u> covers</u> the working of metal described as "electroerosion"</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="B23H1/00" date-revised="2013-01-01" status="published"><classification-symbol>B23H1/00</classification-symbol>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B23H1/00" definition-exists="true" ipc-concordant="B23H1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H1/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B23H1/02" definition-exists="false" ipc-concordant="B23H1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H1/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electric circuits specially adapted therefor, e.g. power supply, control, preventing short circuits or other abnormal discharges</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B23H1/022" definition-exists="false" ipc-concordant="B23H1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H1/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for shaping the discharge pulse train </text><reference><text><class-ref scheme="cpc">B23H1/024</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="B23H1/024" definition-exists="false" ipc-concordant="B23H1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H1/024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Detection of, and response to, abnormal gap conditions, e.g. short circuits </text><reference><text>preventing short circuits or other abnormal discharges by altering machining parameters using adaptive control <class-ref scheme="cpc">B23H7/16</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="9" additional-only="false" sort-key="B23H1/026" definition-exists="false" ipc-concordant="B23H1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H1/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Power supply protection, e.g. detection of power switch breakdown</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="B23H1/028" definition-exists="false" ipc-concordant="B23H1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H1/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for multiple gap machining</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="B23H1/04" definition-exists="false" ipc-concordant="B23H1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H1/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electrodes specially adapted therefor or their manufacture </text><reference><text><class-ref scheme="cpc">B23H9/00</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="B23H1/06" definition-exists="false" ipc-concordant="B23H1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H1/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electrode material</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="B23H1/08" definition-exists="false" ipc-concordant="B23H1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H1/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Working media</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="B23H1/10" definition-exists="false" ipc-concordant="B23H1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H1/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Supply or regeneration of working media</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="B23H3/00" definition-exists="true" ipc-concordant="B23H3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H3/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B23H3/02" definition-exists="false" ipc-concordant="B23H3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H3/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electric circuits specially adapted therefor, e.g. power supply, control, preventing short circuits</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="B23H3/04" definition-exists="false" ipc-concordant="B23H3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H3/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electrodes specially adapted therefor or their manufacture </text><reference><text><class-ref scheme="cpc">B23H9/00</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="B23H3/06" definition-exists="false" ipc-concordant="B23H3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H3/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electrode material</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="B23H3/08" definition-exists="false" ipc-concordant="B23H3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H3/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Working media</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="B23H3/10" definition-exists="false" ipc-concordant="B23H3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H3/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Supply or regeneration of working media</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="B23H5/00" definition-exists="true" ipc-concordant="B23H5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H5/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Combined machining</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B23H5/02" definition-exists="false" ipc-concordant="B23H5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H5/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electrical discharge machining combined with electrochemical machining</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="B23H5/04" definition-exists="false" ipc-concordant="B23H5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H5/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electrical discharge machining combined with mechanical working</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="B23H5/06" definition-exists="false" ipc-concordant="B23H5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H5/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electrochemical machining combined with mechanical working, e.g. grinding or honing</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B23H5/08" definition-exists="false" ipc-concordant="B23H5/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H5/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electrolytic grinding</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="B23H5/10" definition-exists="false" ipc-concordant="B23H5/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H5/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electrodes specially adapted therefor or their manufacture </text><reference><text><class-ref scheme="cpc">B23H1/04</class-ref>, <class-ref scheme="cpc">B23H3/04</class-ref> take 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="B23H5/12" definition-exists="false" ipc-concordant="B23H5/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H5/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Working media</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="B23H5/14" definition-exists="false" ipc-concordant="B23H5/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H5/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Supply or regeneration of working media</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="B23H7/00" definition-exists="true" ipc-concordant="B23H7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H7/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Processes or apparatus applicable to both electrical discharge machining and electrochemical machining</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B23H7/02" definition-exists="false" ipc-concordant="B23H7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H7/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Wire-cutting</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B23H7/04" definition-exists="false" ipc-concordant="B23H7/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H7/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Apparatus for supplying current to working gap</text></title-part><title-part><text>Electric circuits specially adapted 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="B23H7/06" definition-exists="false" ipc-concordant="B23H7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H7/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control of the travel curve of the relative movement between electrode and workpiece</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B23H7/065" definition-exists="false" ipc-concordant="B23H7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H7/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Electric circuits specially adapted therefor</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="B23H7/08" definition-exists="false" ipc-concordant="B23H7/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H7/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Wire electrodes</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B23H7/10" definition-exists="false" ipc-concordant="B23H7/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H7/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Supporting, winding or electrical connection of wire-electrode</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B23H7/101" definition-exists="false" ipc-concordant="B23H7/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H7/101</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Supply of working media</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="B23H7/102" definition-exists="false" ipc-concordant="B23H7/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H7/102</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Automatic wire threading</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="B23H7/104" definition-exists="false" ipc-concordant="B23H7/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H7/104</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Wire tension control</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="B23H7/105" definition-exists="false" ipc-concordant="B23H7/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H7/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Wire guides</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="B23H7/107" definition-exists="false" ipc-concordant="B23H7/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H7/107</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Current pickups</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="B23H7/108" definition-exists="false" ipc-concordant="B23H7/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H7/108</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Used wire disposal devices</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="8" additional-only="false" sort-key="B23H7/12" definition-exists="false" ipc-concordant="B23H7/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H7/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rotating-disc electrodes</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="B23H7/14" definition-exists="false" ipc-concordant="B23H7/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H7/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electric circuits specially adapted therefor, e.g. power supply </text><CPC-specific-text><reference><text><class-ref scheme="cpc">B23H3/02</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="9" additional-only="false" sort-key="B23H7/16" definition-exists="false" ipc-concordant="B23H7/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H7/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for preventing short circuits or other abnormal discharges </text><CPC-specific-text><text>by altering machining parameters using adaptive control</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="B23H7/18" definition-exists="false" ipc-concordant="B23H7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H7/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for maintaining or controlling the desired spacing between electrode and 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="B23H7/20" definition-exists="false" ipc-concordant="B23H7/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H7/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for programme-control, e.g. adaptive </text><reference><text>programme-control systems in general <class-ref scheme="cpc">G05B19/00</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="8" additional-only="false" sort-key="B23H7/22" definition-exists="false" ipc-concordant="B23H7/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H7/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electrodes specially adapted therefor or their manufacture </text><reference><text><class-ref scheme="cpc">B23H7/08</class-ref>, <class-ref scheme="cpc">B23H7/12</class-ref>, <class-ref scheme="cpc">B23H9/00</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="B23H7/24" definition-exists="false" ipc-concordant="B23H7/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H7/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electrode material</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="B23H7/26" definition-exists="false" ipc-concordant="B23H7/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H7/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Apparatus for moving or positioning electrode relatively to workpiece</text></title-part><title-part><text>Mounting of electrode</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B23H7/265" definition-exists="false" ipc-concordant="B23H7/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H7/265</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mounting of one or more thin electrodes</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="B23H7/28" definition-exists="false" ipc-concordant="B23H7/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H7/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Moving electrode in a plane normal to the feed direction, e.g. orbiting</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="B23H7/30" definition-exists="false" ipc-concordant="B23H7/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H7/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Moving electrode in the feed direction </text><reference><text><class-ref scheme="cpc">B23H7/32</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="B23H7/32" definition-exists="false" ipc-concordant="B23H7/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>B23H7/32</classification-symbol><class-title date-revised="2016-08-01"><title-part><text>Maintaining desired spacing between electrode and workpiece </text><CPC-specific-text><text>, e.g. by means of particulate material</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="B23H7/34" definition-exists="false" ipc-concordant="B23H7/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H7/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Working media</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="B23H7/36" definition-exists="false" ipc-concordant="B23H7/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H7/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Supply or regeneration of working media</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="B23H7/38" definition-exists="false" ipc-concordant="B23H7/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H7/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Influencing metal working by using specially adapted means not directly involved in the removal of metal, e.g. ultrasonic waves, magnetic fields or laser irradiation</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="B23H9/00" definition-exists="true" ipc-concordant="B23H9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H9/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects </text><reference><text>heat treatment by cathodic discharge <class-ref scheme="cpc">C21D1/38</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="B23H9/001" definition-exists="false" ipc-concordant="B23H9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H9/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Disintegrating</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="B23H9/003" definition-exists="false" ipc-concordant="B23H9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H9/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Making screw-threads or gears</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="B23H9/005" definition-exists="false" ipc-concordant="B23H9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H9/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Machining elongated bodies, e.g. rods</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="B23H9/006" definition-exists="false" ipc-concordant="B23H9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H9/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cavity sinking </text><reference><text><class-ref scheme="cpc">B23H9/14</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="B23H9/008" definition-exists="false" ipc-concordant="B23H9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H9/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Surface roughening or texturing</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="B23H9/02" definition-exists="false" ipc-concordant="B23H9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H9/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Trimming or deburring </text><CPC-specific-text><reference><text><class-ref scheme="cpc">B23H9/003</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="8" additional-only="false" sort-key="B23H9/04" definition-exists="false" ipc-concordant="B23H9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H9/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Treating surfaces of rolls</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="B23H9/06" definition-exists="false" ipc-concordant="B23H9/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H9/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Marking or engraving</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="B23H9/08" definition-exists="false" ipc-concordant="B23H9/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H9/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sharpening</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="B23H9/10" definition-exists="false" ipc-concordant="B23H9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H9/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Working turbine blades or nozzles</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="B23H9/12" definition-exists="false" ipc-concordant="B23H9/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H9/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Forming parts of complementary shape, e.g. punch-and-die</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="B23H9/14" definition-exists="false" ipc-concordant="B23H9/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H9/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Making holes</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B23H9/16" definition-exists="false" ipc-concordant="B23H9/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H9/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using an electrolytic jet</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="B23H9/18" definition-exists="false" ipc-concordant="B23H9/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H9/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Producing external conical surfaces or spikes </text><reference><text><class-ref scheme="cpc">B23H9/08</class-ref> takes precedence</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="B23H11/00" definition-exists="true" ipc-concordant="B23H11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H11/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Auxiliary apparatus or details, not otherwise provided for</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B23H11/003" definition-exists="false" ipc-concordant="B23H11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H11/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mounting of workpieces, e.g. working-tables</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="B23H11/006" definition-exists="false" ipc-concordant="B23H11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H11/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Electrical contacts or wires </text><reference><text><class-ref scheme="cpc">B23H7/10</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="true" not-allocatable="true" level="6" additional-only="true" sort-key="B23H200/00" date-revised="2013-01-01" status="published"><classification-symbol>B23H2200/00</classification-symbol>
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<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B23H200/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H2200/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific machining processes or workpieces</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B23H200/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H2200/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for making bearings</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B23H200/20" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H2200/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for making conical bores</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B23H200/30" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H2200/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for making honeycomb structures</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B23H300/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H2300/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Power source circuits or energization</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B23H300/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H2300/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pulsed electrochemical machining</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B23H300/12" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H2300/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Positive and negative pulsed electrochemical machining</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B23H300/20" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H2300/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Relaxation circuit power supplies for supplying the machining current, e.g. capacitor or inductance energy storage circuits</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B23H300/22" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H2300/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Circuits using or taking into account line impedance to shape the discharge pulse</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B23H400/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H2400/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Moving mechanisms for tool electrodes</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B23H400/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H2400/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for rotating the electrode</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B23H500/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H2500/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Holding and positioning of tool electrodes</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B23H500/20" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H2500/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Methods or devices for detecting wire or workpiece position</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B23H600/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H2600/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Machining conditions</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B23H600/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H2600/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Switching of machining conditions during machining</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B23H600/12" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B23H2600/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Switching from rough cutting to finish machining</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item></class-scheme> |