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132 lines
68 KiB
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132 lines
68 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="B21J" definition-exists="true" date-revised="2018-08-01" status="published"><classification-symbol>B21J</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>FORGING</text></title-part><title-part><text>HAMMERING</text></title-part><title-part><text>PRESSING METAL</text></title-part><title-part><text>RIVETING</text></title-part><title-part><text>FORGE FURNACES </text><reference><text>rolling of metal <class-ref scheme="cpc">B21B</class-ref>; making particular products by forging or pressing <class-ref scheme="cpc">B21K</class-ref>; cladding or plating <class-ref scheme="cpc">B23K</class-ref>; finishing surfaces by hammering <class-ref scheme="cpc">B23P9/04</class-ref>; compacting surfaces by blasting with particulate material <class-ref scheme="cpc">B24C1/10</class-ref>; general features of presses, presses for consolidating scrap <class-ref scheme="cpc">B30B</class-ref>; furnaces in general <class-ref scheme="cpc">F27</class-ref></text></reference></title-part></class-title><notes-and-warnings><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="B21J1/00" date-revised="2013-01-01" status="published"><classification-symbol>B21J1/00</classification-symbol>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B21J1/00" definition-exists="true" ipc-concordant="B21J1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J1/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Preparing metal stock </text><CPC-specific-text><text>or similar ancillary operations prior, during or post forging, e.g. heating or cooling </text><reference><text>pretreatment for rolling <class-ref scheme="cpc">B21B1/02</class-ref>, <class-ref scheme="cpc">B21B15/0035</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21J1/003" definition-exists="false" ipc-concordant="B21J1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J1/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Selecting material</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="B21J1/006" definition-exists="false" ipc-concordant="B21J1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J1/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Amorphous metal</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="B21J1/02" definition-exists="true" ipc-concordant="B21J1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J1/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Preliminary treatment of metal stock without particular shaping, e.g. salvaging segregated zones, forging or pressing in the rough </text><reference><text>modifying the physical properties by deformation <class-ref scheme="cpc">C21D7/00</class-ref>, <class-ref scheme="cpc">C22F1/00</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="B21J1/025" definition-exists="false" ipc-concordant="B21J1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J1/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>affecting grain orientation</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="B21J1/04" definition-exists="true" ipc-concordant="B21J1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J1/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Shaping in the rough solely by forging or pressing</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="B21J1/06" definition-exists="true" ipc-concordant="B21J1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J1/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Heating or cooling methods or arrangements specially adapted for performing forging or pressing operations </text><CPC-specific-text><reference><text><class-ref scheme="cpc">B21J5/063</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="7" additional-only="false" sort-key="B21J3/00" definition-exists="true" ipc-concordant="B21J3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J3/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Lubricating during forging or pressing </text><reference><text>lubricating in general <class-ref scheme="cpc">F16N</class-ref></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="B21J5/00" definition-exists="true" ipc-concordant="B21J5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J5/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Methods for forging, hammering, or pressing </text><reference><text>for working sheet-metal or metal tubes, rods, or profiles <class-ref scheme="cpc">B21D</class-ref>; for working wire <class-ref scheme="cpc">B21F</class-ref></text></reference></title-part><title-part><text>Special equipment or 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="B21J5/002" definition-exists="false" ipc-concordant="B21J5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J5/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Hybrid process, e.g. forging following casting</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="B21J5/004" definition-exists="false" ipc-concordant="B21J5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J5/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Thixotropic process, i.e. forging at semi-solid state</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="B21J5/006" definition-exists="false" ipc-concordant="B21J5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J5/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using ultrasonic waves</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="B21J5/008" definition-exists="false" ipc-concordant="B21J5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J5/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Incremental forging</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="B21J5/02" definition-exists="true" ipc-concordant="B21J5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21J5/02</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Die forging</text></title-part><title-part><text>Trimming by making use of special dies </text><CPC-specific-text><text>; Punching during forging</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="B21J5/022" definition-exists="false" ipc-concordant="B21J5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J5/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Open die forging</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="B21J5/025" definition-exists="false" ipc-concordant="B21J5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J5/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Closed die forging</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="B21J5/027" definition-exists="false" ipc-concordant="B21J5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J5/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Trimming</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="B21J5/04" definition-exists="true" ipc-concordant="B21J5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J5/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by directly applied fluid pressure or explosive action</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="B21J5/06" definition-exists="true" ipc-concordant="B21J5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J5/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for performing particular operations</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21J5/063" definition-exists="true" ipc-concordant="B21J5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J5/063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Friction heat forging </text><reference><text>friction heat riveting <class-ref scheme="cpc">B21J15/027</class-ref></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="B21J5/066" definition-exists="true" ipc-concordant="B21J5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J5/066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Flow drilling</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="B21J5/068" definition-exists="true" ipc-concordant="B21J5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>B21J5/068</classification-symbol><class-title date-revised="2020-08-01"><title-part><CPC-specific-text><text>Shaving, skiving or scarifying for forming lifted portions, e.g. slices or barbs, on the surface of the material</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="B21J5/08" definition-exists="true" ipc-concordant="B21J5/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J5/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Upsetting</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="B21J5/10" definition-exists="true" ipc-concordant="B21J5/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J5/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Piercing billets </text><reference><text>in combination with extrusion <class-ref scheme="cpc">B21C23/00</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="B21J5/12" definition-exists="true" ipc-concordant="B21J5/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>B21J5/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Forming profiles on internal or external surfaces </text><reference><text>making screw-thread by forging, pressing, or hammering <class-ref scheme="cpc">B21K</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="B21J7/00" definition-exists="true" ipc-concordant="B21J7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J7/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hammers</text></title-part><title-part><text>Forging machines with hammers or die jaws acting by impact </text><reference><text>hand hammers <class-ref scheme="cpc">B25D</class-ref>; electrical features in section <class-ref scheme="cpc">H</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="B21J7/02" definition-exists="true" ipc-concordant="B21J7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J7/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Special design or construction</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21J7/04" definition-exists="true" ipc-concordant="B21J7/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J7/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Power hammers</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="B21J7/06" definition-exists="true" ipc-concordant="B21J7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J7/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Drop hammers</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B21J7/08" definition-exists="true" ipc-concordant="B21J7/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J7/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with rigidly-guided hammer</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="B21J7/10" definition-exists="true" ipc-concordant="B21J7/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J7/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with both drive and hammer connected to a fulcrumed lever, e.g. tail hammers</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B21J7/12" definition-exists="true" ipc-concordant="B21J7/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J7/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the lever being a spring, i.e. spring hammers</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="B21J7/14" definition-exists="true" ipc-concordant="B21J7/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J7/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Forging machines working with several hammers</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B21J7/145" definition-exists="true" ipc-concordant="B21J7/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J7/145</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the hammers being driven by a rotating annular driving member</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="B21J7/16" definition-exists="true" ipc-concordant="B21J7/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J7/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in rotary arrangements</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="B21J7/18" definition-exists="true" ipc-concordant="B21J7/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>B21J7/18</classification-symbol><class-title date-revised="2016-08-01"><title-part><text>Forging machines working with die jaws, e.g. pivoted, movable laterally of the forging or pressing direction, e.g. for swaging</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="B21J7/20" definition-exists="false" ipc-concordant="B21J7/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J7/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Drives for hammers</text></title-part><title-part><text>Transmission means 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="B21J7/22" definition-exists="true" ipc-concordant="B21J7/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J7/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for power hammers</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B21J7/24" definition-exists="true" ipc-concordant="B21J7/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J7/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>operated by steam, air, or other gaseous pressure</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B21J7/26" definition-exists="true" ipc-concordant="B21J7/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J7/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>operated by internal combustion</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="B21J7/28" definition-exists="true" ipc-concordant="B21J7/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J7/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>operated by hydraulic or liquid pressure</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="B21J7/30" definition-exists="true" ipc-concordant="B21J7/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J7/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>operated by electro-magnets</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="B21J7/32" definition-exists="true" ipc-concordant="B21J7/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J7/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>operated by rotary drive, e.g. by electric motor</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="B21J7/34" definition-exists="true" ipc-concordant="B21J7/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J7/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>operating both the hammer and the anvil, so-called counter-tup</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="B21J7/36" definition-exists="true" ipc-concordant="B21J7/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J7/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for drop hammers</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B21J7/38" definition-exists="false" ipc-concordant="B21J7/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J7/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>driven by steam, air, or other gaseous pressure</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="B21J7/40" definition-exists="false" ipc-concordant="B21J7/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J7/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>driven by hydraulic or liquid pressure</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="B21J7/42" definition-exists="false" ipc-concordant="B21J7/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J7/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>operated by rotary drive, e.g. electric motors</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B21J7/44" definition-exists="true" ipc-concordant="B21J7/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J7/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>equipped with belts, ropes, cables, chains</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="B21J7/46" definition-exists="true" ipc-concordant="B21J7/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21J7/46</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Control devices specially adapted to forging hammers, not restricted to one of the preceding subgroups</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="B21J9/00" definition-exists="true" ipc-concordant="B21J9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J9/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Forging presses</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21J9/02" definition-exists="true" ipc-concordant="B21J9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J9/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Special design or construction</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21J9/022" definition-exists="true" ipc-concordant="B21J9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J9/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>multi-stage forging presses </text><reference><text>handling devices <class-ref scheme="cpc">B21K27/00</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="B21J9/025" definition-exists="true" ipc-concordant="B21J9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J9/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with rolling or wobbling dies</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="B21J9/027" definition-exists="false" ipc-concordant="B21J9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J9/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with punches moving along auxiliary lateral directions </text><reference><text><class-ref scheme="cpc">B21J13/025</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="B21J9/04" definition-exists="true" ipc-concordant="B21J9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J9/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Piercing presses</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="B21J9/06" definition-exists="true" ipc-concordant="B21J9/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J9/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Swaging presses</text></title-part><title-part><text>Upsetting presses</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B21J9/08" definition-exists="true" ipc-concordant="B21J9/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J9/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>equipped with devices for heating the work-piece </text><reference><text>electric heating elements <class-ref scheme="cpc">H05B</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="8" additional-only="false" sort-key="B21J9/10" definition-exists="false" ipc-concordant="B21J9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J9/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Drives for forging presses</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21J9/12" definition-exists="true" ipc-concordant="B21J9/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J9/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>operated by hydraulic or liquid pressure</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B21J9/14" definition-exists="false" ipc-concordant="B21J9/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J9/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in conjunction with electric power</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="B21J9/16" definition-exists="true" ipc-concordant="B21J9/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J9/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in conjunction with steam or gas power</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="B21J9/18" definition-exists="true" ipc-concordant="B21J9/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J9/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>operated by making use of gearing mechanisms, e.g. levers, spindles, crankshafts, eccentrics, toggle-levers, rack bars</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="B21J9/20" definition-exists="true" ipc-concordant="B21J9/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21J9/20</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Control devices specially adapted to forging presses not restricted to one of the preceding subgroups</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="B21J11/00" definition-exists="true" ipc-concordant="B21J11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J11/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Forging hammers combined with forging presses</text></title-part><title-part><text>Forging machines with provision for hammering and pressing</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="B21J13/00" definition-exists="true" ipc-concordant="B21J13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J13/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details of machines for forging, pressing, or hammering</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21J13/02" definition-exists="true" ipc-concordant="B21J13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J13/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Dies or mountings 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="B21J13/025" definition-exists="false" ipc-concordant="B21J13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J13/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Dies with parts moving along auxiliary lateral directions</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="B21J13/03" definition-exists="true" ipc-concordant="B21J13/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J13/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Die mountings</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="B21J13/04" definition-exists="true" ipc-concordant="B21J13/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J13/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Frames</text></title-part><title-part><text>Guides</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="B21J13/06" definition-exists="true" ipc-concordant="B21J13/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J13/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hammers tups</text></title-part><title-part><text>Anvils</text></title-part><title-part><text>Anvil blocks</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="B21J13/08" definition-exists="true" ipc-concordant="B21J13/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J13/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Accessories for handling work or 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="B21J13/085" definition-exists="true" ipc-concordant="B21J13/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J13/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>handling of 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="B21J13/10" definition-exists="true" ipc-concordant="B21J13/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J13/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Manipulators </text><reference><text>in general <class-ref scheme="cpc">B25J</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="B21J13/12" definition-exists="true" ipc-concordant="B21J13/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J13/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Turning means</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="B21J13/14" definition-exists="true" ipc-concordant="B21J13/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J13/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ejecting devices</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="B21J15/00" definition-exists="true" ipc-concordant="B21J15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Riveting</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B21J15/02" definition-exists="true" ipc-concordant="B21J15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Riveting procedures</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21J15/022" definition-exists="true" ipc-concordant="B21J15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Setting rivets by means of swaged-on locking collars, e.g. lockbolts</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="B21J15/025" definition-exists="true" ipc-concordant="B21J15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Setting self-piercing rivets</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="B21J15/027" definition-exists="true" ipc-concordant="B21J15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Setting rivets by friction heating</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="B21J15/04" definition-exists="true" ipc-concordant="B21J15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Riveting hollow rivets mechanically</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B21J15/041" definition-exists="true" ipc-concordant="B21J15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/041</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by pushing a drive-pin</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="B21J15/043" definition-exists="true" ipc-concordant="B21J15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by pulling a mandrel</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="B21J15/045" definition-exists="true" ipc-concordant="B21J15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>and swaging locking means, i.e. locking the broken off mandrel head to the hollow rivet</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="B21J15/046" definition-exists="true" ipc-concordant="B21J15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by edge-curling</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="B21J15/048" definition-exists="true" ipc-concordant="B21J15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/048</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Setting self-drilling hollow rivets</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="B21J15/06" definition-exists="true" ipc-concordant="B21J15/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-11-01" status="published"><classification-symbol>B21J15/06</classification-symbol><class-title date-revised="2015-11-01"><title-part><text>Riveting hollow rivets by means of hydraulic, liquid, or gas pressure </text><CPC-specific-text><reference><text>portable riveters <class-ref scheme="cpc">B21J15/105</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="B21J15/08" definition-exists="true" ipc-concordant="B21J15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21J15/08</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Riveting by applying heat </text><CPC-specific-text><text>, e.g.</text></CPC-specific-text><text> to the end parts of the rivets to enable heads to be formed </text><CPC-specific-text><reference><text><class-ref scheme="cpc">B21J15/027</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="B21J15/10" definition-exists="true" ipc-concordant="B21J15/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Riveting machines </text><reference><text>electric heating elements <class-ref scheme="cpc">H05B</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="B21J15/105" definition-exists="true" ipc-concordant="B21J15/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Portable riveters </text><reference><text>pliers for riveting <class-ref scheme="cpc">B21J15/386</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="B21J15/12" definition-exists="true" ipc-concordant="B21J15/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with tools or tool parts having a movement additional to the feed movement, e.g. spin </text><CPC-specific-text><reference><text><class-ref scheme="cpc">B21J15/027</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="B21J15/14" definition-exists="true" ipc-concordant="B21J15/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>specially adapted for riveting specific articles, e.g. brake lining 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="B21J15/142" definition-exists="true" ipc-concordant="B21J15/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/142</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Aerospace structures</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="B21J15/145" definition-exists="true" ipc-concordant="B21J15/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/145</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Turbines</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="B21J15/147" definition-exists="true" ipc-concordant="B21J15/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/147</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Composite 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="B21J15/16" definition-exists="true" ipc-concordant="B21J15/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Drives for riveting machines</text></title-part><title-part><text>Transmission means therefor</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B21J15/18" definition-exists="true" ipc-concordant="B21J15/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>operated by air pressure or other gas pressure, e.g. explosion pressure</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B21J15/185" definition-exists="true" ipc-concordant="B21J15/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/185</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by explosion pressure</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="B21J15/20" definition-exists="true" ipc-concordant="B21J15/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>operated by hydraulic or liquid pressure</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B21J15/205" definition-exists="true" ipc-concordant="B21J15/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/205</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Riveting tools having hand operated pumps for building up the hydraulic pressure</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="B21J15/22" definition-exists="true" ipc-concordant="B21J15/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>operated by both hydraulic or liquid pressure and gas pressure</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="B21J15/24" definition-exists="true" ipc-concordant="B21J15/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>operated by electro-magnets</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="B21J15/26" definition-exists="true" ipc-concordant="B21J15/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>operated by rotary drive, e.g. by electric motor</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="B21J15/28" definition-exists="true" ipc-concordant="B21J15/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B21J15/28</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Control devices specially adapted to riveting machines not restricted to one of the preceding subgroups</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B21J15/285" definition-exists="true" ipc-concordant="B21J15/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/285</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for controlling the rivet upset cycle</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="B21J15/30" definition-exists="false" ipc-concordant="B21J15/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Particular elements, e.g. supports</text></title-part><title-part><text>Suspension equipment specially adapted for portable riveters</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B21J15/32" definition-exists="true" ipc-concordant="B21J15/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Devices for inserting or holding rivets in position with or without feeding arrangements</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B21J15/323" definition-exists="true" ipc-concordant="B21J15/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/323</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a carrier strip</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="B21J15/326" definition-exists="true" ipc-concordant="B21J15/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/326</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Broken-off mandrel collection</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="B21J15/34" definition-exists="true" ipc-concordant="B21J15/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for installing </text><CPC-specific-text><text>multiple-type</text></CPC-specific-text><text> tubular rivets</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="B21J15/36" definition-exists="true" ipc-concordant="B21J15/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rivet sets, i.e. tools for forming heads</text></title-part><title-part><text>Mandrels for expanding parts of hollow rivets</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B21J15/365" definition-exists="true" ipc-concordant="B21J15/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/365</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mandrels for expanding parts of hollow rivets</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="B21J15/38" definition-exists="true" ipc-concordant="B21J15/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Accessories for use in connection with riveting, e.g. pliers for upsetting</text></title-part><title-part><text>Hand tools for riveting</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B21J15/383" definition-exists="true" ipc-concordant="B21J15/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/383</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Hand tools for riveting</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="B21J15/386" definition-exists="true" ipc-concordant="B21J15/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/386</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pliers for riveting</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="B21J15/40" definition-exists="true" ipc-concordant="B21J15/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for forming rivet heads</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="B21J15/42" definition-exists="true" ipc-concordant="B21J15/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Special clamping devices for workpieces to be riveted together, e.g. operating through the rivet holes</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="B21J15/44" definition-exists="true" ipc-concordant="B21J15/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rivet hole positioners</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="B21J15/46" definition-exists="true" ipc-concordant="B21J15/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Positioners for rivets for making tube joints</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="B21J15/48" definition-exists="true" ipc-concordant="B21J15/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Devices for caulking rivets</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="B21J15/50" definition-exists="true" ipc-concordant="B21J15/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J15/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Removing or cutting devices for rivets</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="B21J17/00" definition-exists="true" ipc-concordant="B21J17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J17/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Forge furnaces </text><reference><text>furnaces for heat treatment <class-ref scheme="cpc">C21D9/00</class-ref>; furnaces in general <class-ref scheme="cpc">F27</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="B21J17/02" definition-exists="true" ipc-concordant="B21J17/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J17/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>electrically heated </text><reference><text>electric heating elements <class-ref scheme="cpc">H05B</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="B21J19/00" definition-exists="true" ipc-concordant="B21J19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J19/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Blacksmiths requisites 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="B21J19/02" definition-exists="true" ipc-concordant="B21J19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J19/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hearths</text></title-part><title-part><text>Air supply arrangements specially adapted 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="B21J19/025" definition-exists="true" ipc-concordant="B21J19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J19/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Tyre heaters</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="B21J19/04" definition-exists="true" ipc-concordant="B21J19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B21J19/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Anvils</text></title-part><title-part><text>Associated items</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></class-scheme> |