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467 lines
243 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="G01B" definition-exists="true" date-revised="2023-02-01" status="published"><classification-symbol>G01B</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS</text></title-part><title-part><text>MEASURING ANGLES</text></title-part><title-part><text>MEASURING AREAS</text></title-part><title-part><text>MEASURING IRREGULARITIES OF SURFACES OR CONTOURS</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> This subclass <u>covers</u> measuring of position or displacement in terms of linear or angular dimensions. </note-paragraph><note-paragraph>In this subclass, the groups are distinguished by the measurement technique which is of major importance. Thus, the mere application of other techniques or means for giving a final indication does not affect the classification.</note-paragraph><note-paragraph>Attention is drawn to the Notes following the title of class <class-ref scheme="cpc">G01</class-ref>.</note-paragraph><note-paragraph>Machines operated on similar principles to the hand-held devices specified in this subclass are classified with these devices.</note-paragraph><note-paragraph> Measuring arrangements or details thereof covered by two or more of groups <class-ref scheme="cpc">G01B3/00</class-ref> - <class-ref scheme="cpc">G01B17/00</class-ref> are classified in group <class-ref scheme="cpc">G01B21/00</class-ref> if no single other group can be selected as being predominantly applicable. </note-paragraph></note><note type="warning"><note-paragraph><CPC-specific-note>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.</CPC-specific-note></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="G01B1/00" date-revised="2013-01-01" status="published"><classification-symbol>G01B1/00</classification-symbol>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G01B1/00" definition-exists="true" ipc-concordant="G01B1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B1/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Measuring instruments characterised by the selection of material therefor</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="G01B3/00" definition-exists="true" ipc-concordant="G01B3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-02-01" status="published"><classification-symbol>G01B3/00</classification-symbol><class-title date-revised="2023-02-01"><title-part><text>Measuring instruments characterised by the use of mechanical techniques</text></title-part></class-title><notes-and-warnings><note type="note"><note-paragraph>When classifying in this group, mechanical arrangements for measuring specific parameters can be further classified in group <class-ref scheme="cpc">G01B5/00</class-ref>.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01B3/002" definition-exists="false" ipc-concordant="G01B3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B3/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details</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="G01B3/004" definition-exists="false" ipc-concordant="G01B3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B3/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Scales; Graduations</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B3/006" definition-exists="false" ipc-concordant="G01B3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B3/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having both coarse and fine graduation</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="G01B3/008" definition-exists="false" ipc-concordant="G01B3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B3/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangements for controlling the measuring force</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="G01B3/02" definition-exists="false" ipc-concordant="G01B3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B3/02</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>Rulers with scales or marks for direct reading </text><reference><text>measuring tapes <class-ref scheme="cpc">G01B3/10</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="G01B3/04" definition-exists="false" ipc-concordant="G01B3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B3/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>rigid</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B3/06" definition-exists="false" ipc-concordant="G01B3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B3/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>folding</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="G01B3/08" definition-exists="false" ipc-concordant="G01B3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B3/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>extensible</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="G01B3/10" definition-exists="false" ipc-concordant="G01B3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B3/10</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>Measuring tapes</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B3/1003" definition-exists="false" ipc-concordant="G01B3/1003" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B3/1003</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>characterised by structure or material</text></title-part><title-part><text>characterised by layout or indicia</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B3/1004" definition-exists="false" ipc-concordant="G01B3/1003" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B3/1004</classification-symbol><class-title date-revised="2020-01-01"><title-part><CPC-specific-text><text>Measuring tapes without casings</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="G01B3/1005" definition-exists="false" ipc-concordant="G01B3/1005" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B3/1005</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>Means for controlling winding or unwinding of tapes</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B3/1007" definition-exists="false" ipc-concordant="G01B3/1007" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B3/1007</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>Means for locking</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="G01B3/101" definition-exists="false" ipc-concordant="G01B3/1007" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B2003/101</classification-symbol><class-title date-revised="2020-01-01"><title-part><CPC-specific-text><text>acting on the drum</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="G01B3/1012" definition-exists="false" ipc-concordant="G01B3/1007" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B2003/1012</classification-symbol><class-title date-revised="2020-01-01"><title-part><CPC-specific-text><text>engaging the tape in a direction parallel to the tape itself</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="G01B3/1015" definition-exists="false" ipc-concordant="G01B3/1007" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B2003/1015</classification-symbol><class-title date-revised="2020-01-01"><title-part><CPC-specific-text><text>engaging the tape in a direction transversal to the tape itself</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="G01B3/1017" definition-exists="false" ipc-concordant="G01B3/1007" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B2003/1017</classification-symbol><class-title date-revised="2020-01-01"><title-part><CPC-specific-text><text>acting on the whole coil</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="G01B3/102" definition-exists="false" ipc-concordant="G01B3/102" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B3/102</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>Means for damping</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G01B3/1023" definition-exists="false" ipc-concordant="G01B3/1005" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B2003/1023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Winding mechanisms</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="G01B3/1025" definition-exists="false" ipc-concordant="G01B3/1005" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B2003/1025</classification-symbol><class-title date-revised="2020-01-01"><title-part><CPC-specific-text><text>operated manually, e.g. crank-handles</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="G01B3/1028" definition-exists="false" ipc-concordant="G01B3/1005" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B2003/1028</classification-symbol><class-title date-revised="2020-01-01"><title-part><CPC-specific-text><text>operated by electric motors</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="G01B3/103" definition-exists="false" ipc-concordant="G01B3/1005" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B2003/103</classification-symbol><class-title date-revised="2020-01-01"><title-part><CPC-specific-text><text>operated by springs</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G01B3/1033" definition-exists="false" ipc-concordant="G01B3/1005" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B2003/1033</classification-symbol><class-title date-revised="2020-01-01"><title-part><CPC-specific-text><text>Means for activating the locking, braking or releasing of the tape, e.g. buttons</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="G01B3/1035" definition-exists="false" ipc-concordant="G01B3/1005" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B2003/1035</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by pivotal operation</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="G01B3/1038" definition-exists="false" ipc-concordant="G01B3/1005" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B2003/1038</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by translatory motion operation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B3/1041" definition-exists="false" ipc-concordant="G01B3/1041" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B3/1041</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>characterised by casings</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B3/1043" definition-exists="false" ipc-concordant="G01B3/1043" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B3/1043</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>Details of internal structure thereof, e.g. means for coupling separately moulded casing halves</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="G01B3/1046" definition-exists="false" ipc-concordant="G01B3/1046" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B3/1046</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>Details of external structure thereof, e.g. shapes for ensuring firmer hold</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01B3/1048" definition-exists="false" ipc-concordant="G01B3/1048" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B3/1048</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>Integrated means for affixing or holding</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G01B3/1051" definition-exists="false" ipc-concordant="G01B3/1041" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B2003/1051</classification-symbol><class-title date-revised="2020-01-01"><title-part><CPC-specific-text><text>specially adapted for two or more tapes within the same casing</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G01B3/1053" definition-exists="false" ipc-concordant="G01B3/1041" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B2003/1053</classification-symbol><class-title date-revised="2020-01-01"><title-part><CPC-specific-text><text>Tape exit slots, e.g. shape or exit direction</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="G01B3/1056" definition-exists="false" ipc-concordant="G01B3/1056" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B3/1056</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>Tape end arrangements, e.g. end-hooks</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G01B3/1058" definition-exists="false" ipc-concordant="G01B3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B2003/1058</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Manufacturing or assembling methods</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="G01B3/1061" definition-exists="false" ipc-concordant="G01B3/1061" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B3/1061</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>Means for displaying or assisting reading of length measurement</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G01B3/1064" definition-exists="false" ipc-concordant="G01B3/1061" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B2003/1064</classification-symbol><class-title date-revised="2020-01-01"><title-part><CPC-specific-text><text>Windows, e.g. lenses, glasses or cross-hairs</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G01B3/1066" definition-exists="false" ipc-concordant="G01B3/1061" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B2003/1066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Index sliding on tape</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="G01B3/1069" definition-exists="false" ipc-concordant="G01B3/1069" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B3/1069</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>Electronic or mechanical display 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="G01B3/1071" definition-exists="false" ipc-concordant="G01B3/1071" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B3/1071</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>Separate means for supporting or affixing measuring tapes</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G01B3/1074" definition-exists="false" ipc-concordant="G01B3/1071" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B2003/1074</classification-symbol><class-title date-revised="2020-01-01"><title-part><CPC-specific-text><text>associated with the casings</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G01B3/1076" definition-exists="false" ipc-concordant="G01B3/1071" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B2003/1076</classification-symbol><class-title date-revised="2020-01-01"><title-part><CPC-specific-text><text>associated with the end-hooks</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G01B3/1079" definition-exists="false" ipc-concordant="G01B3/1071" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B2003/1079</classification-symbol><class-title date-revised="2020-01-01"><title-part><CPC-specific-text><text>associated with the tapes</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="G01B3/1084" definition-exists="false" ipc-concordant="G01B3/1084" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B3/1084</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>Tapes combined with arrangements for functions other than measuring lengths</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G01B3/1087" definition-exists="false" ipc-concordant="G01B3/1084" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B2003/1087</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for illuminating</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="G01B3/1089" definition-exists="false" ipc-concordant="G01B3/1089" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B3/1089</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>for marking, drawing or cutting</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="G01B3/1092" definition-exists="false" ipc-concordant="G01B3/1092" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B3/1092</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>for performing length measurements and at least one other measurement of a different nature, e.g. bubble-type level</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="G01B3/1094" definition-exists="false" ipc-concordant="G01B3/1094" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B3/1094</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>for recording information or for performing calculations</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G01B3/1097" definition-exists="false" ipc-concordant="G01B3/1084" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>G01B2003/1097</classification-symbol><class-title date-revised="2020-01-01"><title-part><CPC-specific-text><text>Tape measures with an adhesive surface</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="G01B3/11" definition-exists="false" ipc-concordant="G01B3/11" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B3/11</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Chains for measuring length</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="G01B3/12" definition-exists="false" ipc-concordant="G01B3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B3/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Measuring wheels</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01B3/14" definition-exists="false" ipc-concordant="G01B3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B3/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Templates for checking contours </text><CPC-specific-text><reference><text>templates for mounting doors or windows <class-ref scheme="cpc">E04F21/0007</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01B3/16" definition-exists="false" ipc-concordant="G01B3/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B3/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compasses, i.e. with a pair of pivoted arms</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B3/163" definition-exists="false" ipc-concordant="G01B3/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B3/163</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>without measuring scale</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="G01B3/166" definition-exists="false" ipc-concordant="G01B3/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B3/166</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>provided with a measuring scale</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="G01B3/18" definition-exists="false" ipc-concordant="G01B3/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B3/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Micrometers</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="G01B3/20" definition-exists="false" ipc-concordant="G01B3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B3/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Slide gauges</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B3/205" definition-exists="false" ipc-concordant="G01B3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B3/205</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>provided with a counter for digital indication of the measured dimension</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="G01B3/22" definition-exists="false" ipc-concordant="G01B3/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>G01B3/22</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>Feeler-pin gauges, e.g. dial gauges </text><reference><text>for measuring contours or curvatures <class-ref scheme="cpc">G01B5/20</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="G01B3/24" definition-exists="false" ipc-concordant="G01B3/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B3/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with open yoke, i.e. calipers</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="G01B3/26" definition-exists="false" ipc-concordant="G01B3/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B3/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Plug gauges</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="G01B3/28" definition-exists="false" ipc-concordant="G01B3/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B3/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Depth gauges</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="G01B3/30" definition-exists="false" ipc-concordant="G01B3/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B3/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Bars, blocks, or strips in which the distance between a pair of faces is fixed, although it may be preadjustable, e.g. end measure, feeler strip</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B3/303" definition-exists="false" ipc-concordant="G01B3/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B3/303</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>pre-adjustable, e.g. by means of micrometerscrew</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B3/306" definition-exists="false" ipc-concordant="G01B3/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B3/306</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with inclined slide plane</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="G01B3/32" definition-exists="false" ipc-concordant="G01B3/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B3/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Holders therefor</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="G01B3/34" definition-exists="false" ipc-concordant="G01B3/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B3/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ring or other apertured gauges, e.g. "go/no-go" gauge</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B3/36" definition-exists="false" ipc-concordant="G01B3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B3/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for external screw-threads</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="G01B3/38" definition-exists="false" ipc-concordant="G01B3/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>G01B3/38</classification-symbol><class-title date-revised="2016-08-01"><title-part><text>Gauges with an open yoke and opposed faces, i.e. calipers, in which the internal distance between the faces is fixed, although it may be preadjustable</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B3/40" definition-exists="false" ipc-concordant="G01B3/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B3/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for external screw-threads</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="G01B3/42" definition-exists="false" ipc-concordant="G01B3/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B3/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of limit-gauge type, i.e. "go/no-go" </text><reference><text><class-ref scheme="cpc">G01B3/40</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B3/44" definition-exists="false" ipc-concordant="G01B3/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B3/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>preadjustable for wear or tolerance</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="G01B3/46" definition-exists="false" ipc-concordant="G01B3/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B3/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Plug gauges for internal dimensions with engaging surfaces which are at a fixed distance, although they may be preadjustable</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B3/48" definition-exists="false" ipc-concordant="G01B3/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B3/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for internal screw-threads</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="G01B3/50" definition-exists="false" ipc-concordant="G01B3/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B3/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of limit-gauge type, i.e. "go/no-go" </text><reference><text><class-ref scheme="cpc">G01B3/48</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B3/52" definition-exists="false" ipc-concordant="G01B3/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B3/52</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>preadjustable for wear or tolerance</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="G01B3/56" definition-exists="false" ipc-concordant="G01B3/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B3/56</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Gauges for measuring angles or tapers, e.g. conical calipers</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B3/563" definition-exists="false" ipc-concordant="G01B3/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B3/563</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Protractors </text><reference><text>for use in geodesy <class-ref scheme="cpc">G01C1/00</class-ref>; protractor heads for drawing machines <class-ref scheme="cpc">B43L13/08</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="G01B3/566" definition-exists="false" ipc-concordant="G01B3/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B3/566</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Squares</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G01B5/00" definition-exists="true" ipc-concordant="G01B5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-02-01" status="published"><classification-symbol>G01B5/00</classification-symbol><class-title date-revised="2023-02-01"><title-part><text>Measuring arrangements characterised by the use of mechanical techniques</text></title-part></class-title><notes-and-warnings><note type="note"><note-paragraph>When classifying in this group, specific mechanical measuring instruments can be further classified in group <class-ref scheme="cpc">G01B3/00</class-ref>.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01B5/0002" definition-exists="false" ipc-concordant="G01B5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/0002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured</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="G01B5/0004" definition-exists="false" ipc-concordant="G01B5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B5/0004</classification-symbol><class-title date-revised="2022-01-01"><title-part><CPC-specific-text><text>Supports </text><reference><text><class-ref scheme="cpc">G01B5/025</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="G01B5/0007" definition-exists="false" ipc-concordant="G01B5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/0007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Surface plates</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B5/0009" definition-exists="false" ipc-concordant="G01B5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/0009</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Guiding surfaces; Arrangements compensating for non-linearity there-of</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="G01B5/0011" definition-exists="false" ipc-concordant="G01B5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/0011</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arrangements for eliminating or compensation of measuring errors due to temperature or weight</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="G01B5/0014" definition-exists="false" ipc-concordant="G01B5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/0014</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>due to temperature </text><reference><text>on machine tools <class-ref scheme="cpc">B23Q11/0003</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="G01B5/0016" definition-exists="false" ipc-concordant="G01B5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/0016</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>due to weight </text><reference><text>on machine tools <class-ref scheme="cpc">B23Q11/001</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01B5/0018" definition-exists="false" ipc-concordant="G01B5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/0018</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for measuring key-ways</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="G01B5/0021" definition-exists="false" ipc-concordant="G01B5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/0021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for measuring the volumetric dimension of an object</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="G01B5/0023" definition-exists="false" ipc-concordant="G01B5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/0023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Measuring of sport goods, e.g. bowling accessories, golfclubs, game balls</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01B5/0025" definition-exists="false" ipc-concordant="G01B5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/0025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Measuring of vehicle parts </text><reference><text><class-ref scheme="cpc">G01B5/003</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="G01B5/0028" definition-exists="false" ipc-concordant="G01B5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/0028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Brakes, brakeshoes, clutches</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="G01B5/003" definition-exists="false" ipc-concordant="G01B5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Measuring of motor parts</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="G01B5/0032" definition-exists="false" ipc-concordant="G01B5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/0032</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Valves, actuating devices for valves</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="G01B5/0035" definition-exists="false" ipc-concordant="G01B5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/0035</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Measuring of dimensions of trees</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="G01B5/0037" definition-exists="false" ipc-concordant="G01B5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/0037</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Measuring of dimensions of welds</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="G01B5/004" definition-exists="false" ipc-concordant="G01B5/004" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring coordinates of points</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B5/008" definition-exists="false" ipc-concordant="G01B5/008" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using coordinate measuring 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="G01B5/012" definition-exists="false" ipc-concordant="G01B5/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/012</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Contact-making feeler heads therefor</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01B5/016" definition-exists="false" ipc-concordant="G01B5/016" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/016</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Constructional details of contacts</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="G01B5/02" definition-exists="false" ipc-concordant="G01B5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring length, width or thickness </text><reference><text><class-ref scheme="cpc">G01B5/004</class-ref>, <class-ref scheme="cpc">G01B5/08</class-ref> take precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B5/025" definition-exists="false" ipc-concordant="G01B5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Measuring of circumference; Measuring length of ring-shaped articles </text><reference><text><class-ref scheme="cpc">G01B5/0035</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="G01B5/04" definition-exists="false" ipc-concordant="G01B5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>specially adapted for measuring length or width of objects while moving</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B5/043" definition-exists="false" ipc-concordant="G01B5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for measuring length</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="G01B5/046" definition-exists="false" ipc-concordant="G01B5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for measuring width</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="G01B5/06" definition-exists="false" ipc-concordant="G01B5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring thickness</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B5/061" definition-exists="false" ipc-concordant="G01B5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/061</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>height gauges</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="G01B5/063" definition-exists="false" ipc-concordant="G01B5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>provided with a slide which may be moved along a vertical support by means of a micrometer screw</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="G01B5/065" definition-exists="false" ipc-concordant="G01B5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>provided with a slide which may be fixed along its vertical support in discrete calibrated position</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="G01B5/066" definition-exists="false" ipc-concordant="G01B5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of coating</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="G01B5/068" definition-exists="false" ipc-concordant="G01B5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/068</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of objects while moving </text><reference><text><class-ref scheme="cpc">G01B5/066</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01B5/08" definition-exists="false" ipc-concordant="G01B5/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring diameters </text><CPC-specific-text><reference><text><class-ref scheme="cpc">G01B5/0035</class-ref> takes precedence; measuring radius of curvature <class-ref scheme="cpc">G01B5/213</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B5/10" definition-exists="false" ipc-concordant="G01B5/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of objects while moving</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="G01B5/12" definition-exists="false" ipc-concordant="G01B5/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>internal diameters</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="G01B5/14" definition-exists="false" ipc-concordant="G01B5/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring distance or clearance between spaced objects or spaced apertures </text><reference><text><class-ref scheme="cpc">G01B5/24</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="G01B5/143" definition-exists="false" ipc-concordant="G01B5/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/143</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>between holes on a workpiece</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B5/146" definition-exists="false" ipc-concordant="G01B5/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/146</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>measuring play on bearings</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="G01B5/16" definition-exists="false" ipc-concordant="G01B5/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>between a succession of regularly spaced objects or regularly spaced apertures</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B5/163" definition-exists="false" ipc-concordant="G01B5/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/163</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of screw-threads</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="G01B5/166" definition-exists="false" ipc-concordant="G01B5/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/166</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of gear teeth</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="G01B5/18" definition-exists="false" ipc-concordant="G01B5/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring depth</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="G01B5/20" definition-exists="false" ipc-concordant="G01B5/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring contours or curvatures</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B5/201" definition-exists="false" ipc-concordant="G01B5/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/201</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for measuring roundness</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="G01B5/202" definition-exists="false" ipc-concordant="G01B5/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/202</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of gears</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="G01B5/204" definition-exists="false" ipc-concordant="G01B5/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/204</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of screw-threads</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="G01B5/205" definition-exists="false" ipc-concordant="G01B5/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/205</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of turbine blades or propellers</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="G01B5/207" definition-exists="false" ipc-concordant="G01B5/207" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>G01B5/207</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>using a plurality of fixed, simultaneously operating transducers </text><reference><text><class-ref scheme="cpc">G01B5/213</class-ref> - <class-ref scheme="cpc">G01B5/22</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="9" additional-only="false" sort-key="G01B5/213" definition-exists="false" ipc-concordant="G01B5/213" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/213</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring radius of curvature</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="G01B5/22" definition-exists="false" ipc-concordant="G01B5/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Spherometers</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="G01B5/24" definition-exists="false" ipc-concordant="G01B5/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>G01B5/24</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>for measuring angles or tapers</text></title-part><title-part><text>for testing the alignment of axes</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B5/241" definition-exists="false" ipc-concordant="G01B5/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/241</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for measuring conicity</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="G01B5/242" definition-exists="false" ipc-concordant="G01B5/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/242</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sine bars; Sine plates</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B5/243" definition-exists="false" ipc-concordant="G01B5/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/243</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for measuring chamfer </text><reference><text><u>see</u> <class-ref scheme="cpc">G01B3/56</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="G01B5/245" definition-exists="false" ipc-concordant="G01B5/245" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/245</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for testing perpendicularity</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="G01B5/25" definition-exists="false" ipc-concordant="G01B5/25" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/25</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for testing the alignment of axes</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B5/252" definition-exists="false" ipc-concordant="G01B5/252" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/252</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring eccentricity, i.e. lateral shift between two parallel axes</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="G01B5/255" definition-exists="false" ipc-concordant="G01B5/255" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/255</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for testing wheel alignment</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="G01B5/26" definition-exists="true" ipc-concordant="G01B5/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-02-01" status="published"><classification-symbol>G01B5/26</classification-symbol><class-title date-revised="2023-02-01"><title-part><text>for measuring areas, e.g. planimeters</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="G01B5/28" definition-exists="false" ipc-concordant="G01B5/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring roughness or irregularity of surfaces</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B5/285" definition-exists="false" ipc-concordant="G01B5/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/285</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for controlling eveness</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="G01B5/30" definition-exists="false" ipc-concordant="G01B5/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B5/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring the deformation in a solid, e.g. mechanical strain gauge</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="G01B7/00" definition-exists="true" ipc-concordant="G01B7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-02-01" status="published"><classification-symbol>G01B7/00</classification-symbol><class-title date-revised="2023-02-01"><title-part><text>Measuring arrangements characterised by the use of electric or magnetic techniques</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01B7/001" definition-exists="false" ipc-concordant="G01B7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Constructional details of gauge heads </text><reference><text><class-ref scheme="cpc">G01B7/012</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="G01B7/002" definition-exists="false" ipc-concordant="G01B7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Constructional details of contacts for gauges actuating one or more contacts </text><reference><text><class-ref scheme="cpc">G01B7/016</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="G01B7/003" definition-exists="false" ipc-concordant="G01B7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for measuring position, not involving coordinate determination </text><reference><text>coordinate measuring <class-ref scheme="cpc">G01B7/004</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01B7/004" definition-exists="false" ipc-concordant="G01B7/004" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring coordinates of points</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B7/008" definition-exists="false" ipc-concordant="G01B7/008" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using coordinate measuring 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="G01B7/012" definition-exists="false" ipc-concordant="G01B7/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/012</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Contact-making feeler heads therefor</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01B7/016" definition-exists="false" ipc-concordant="G01B7/016" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/016</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Constructional details of contacts</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="G01B7/02" definition-exists="false" ipc-concordant="G01B7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring length, width or thickness </text><reference><text><class-ref scheme="cpc">G01B7/004</class-ref>, <class-ref scheme="cpc">G01B7/12</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="G01B7/023" definition-exists="false" ipc-concordant="G01B7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for measuring distance between sensor and object </text><reference><text><class-ref scheme="cpc">G01B7/082</class-ref> and <class-ref scheme="cpc">G01B7/102</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B7/026" definition-exists="false" ipc-concordant="G01B7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for measuring length of cable, band or the like, which has been paid out, e.g. from a reel </text><reference><text>measuring length of objects while moving <class-ref scheme="cpc">G01B7/04</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="G01B7/04" definition-exists="false" ipc-concordant="G01B7/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>specially adapted for measuring length or width of objects while moving</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B7/042" definition-exists="false" ipc-concordant="G01B7/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for measuring length</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="G01B7/044" definition-exists="false" ipc-concordant="G01B7/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/044</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using capacitive means</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="G01B7/046" definition-exists="false" ipc-concordant="G01B7/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using magnetic means</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B7/048" definition-exists="false" ipc-concordant="G01B7/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/048</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for measuring width</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="G01B7/06" definition-exists="false" ipc-concordant="G01B7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring thickness </text><CPC-specific-text><reference><text>measuring during the manufacture of coatings <class-ref scheme="cpc">C23C14/54</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="G01B7/063" definition-exists="false" ipc-concordant="G01B7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using piezo-electric resonators</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="G01B7/066" definition-exists="false" ipc-concordant="G01B7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for measuring thickness of coating </text><reference><text>apparatus or processes for the manufacture of piezo-electric or electrostrictive resonators for obtaining desired frequency <class-ref scheme="cpc">H03H3/04</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B7/08" definition-exists="false" ipc-concordant="G01B7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>G01B7/08</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>using capacitive means</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="G01B7/082" definition-exists="false" ipc-concordant="G01B7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/082</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Height gauges</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="G01B7/085" definition-exists="false" ipc-concordant="G01B7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for measuring thickness of coating</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="G01B7/087" definition-exists="false" ipc-concordant="G01B7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/087</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for measuring of objects while moving </text><reference><text><class-ref scheme="cpc">G01B7/085</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="10" additional-only="false" sort-key="G01B7/10" definition-exists="false" ipc-concordant="G01B7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>G01B7/10</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>using magnetic means, e.g. by measuring change of reluctance</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="G01B7/102" definition-exists="false" ipc-concordant="G01B7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/102</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Height gauges</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="G01B7/105" definition-exists="false" ipc-concordant="G01B7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for measuring thickness of coating</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="G01B7/107" definition-exists="false" ipc-concordant="G01B7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/107</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for measuring objects while moving </text><reference><text><class-ref scheme="cpc">G01B7/105</class-ref> takes precedence</text></reference></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="G01B7/12" definition-exists="false" ipc-concordant="G01B7/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring diameters</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B7/125" definition-exists="false" ipc-concordant="G01B7/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of objects while moving</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="G01B7/13" definition-exists="false" ipc-concordant="G01B7/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/13</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Internal diameters</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="G01B7/14" definition-exists="false" ipc-concordant="G01B7/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring distance or clearance between spaced objects or spaced apertures </text><reference><text><class-ref scheme="cpc">G01B7/30</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="G01B7/142" definition-exists="false" ipc-concordant="G01B7/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/142</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>between holes on a workpiece</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B7/144" definition-exists="false" ipc-concordant="G01B7/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/144</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Measuring play on bearings</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="G01B7/146" definition-exists="false" ipc-concordant="G01B7/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/146</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Measuring on gear teeth</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="G01B7/148" definition-exists="false" ipc-concordant="G01B7/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/148</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Measuring on screw threads</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="G01B7/15" definition-exists="false" ipc-concordant="G01B7/15" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/15</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>being regularly spaced</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="G01B7/16" definition-exists="false" ipc-concordant="G01B7/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>G01B7/16</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>for measuring the deformation in a solid, e.g. by resistance strain gauge</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B7/18" definition-exists="false" ipc-concordant="G01B7/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-10-01" status="published"><classification-symbol>G01B7/18</classification-symbol><class-title date-revised="2015-10-01"><title-part><CPC-specific-text><text>using change in resistance</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B7/20" definition-exists="false" ipc-concordant="G01B7/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-10-01" status="published"><classification-symbol>G01B7/20</classification-symbol><class-title date-revised="2015-10-01"><title-part><CPC-specific-text><text>formed by printed-circuit technique</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="G01B7/22" definition-exists="false" ipc-concordant="G01B7/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-10-01" status="published"><classification-symbol>G01B7/22</classification-symbol><class-title date-revised="2015-10-01"><title-part><CPC-specific-text><text>using change in capacitance</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="G01B7/24" definition-exists="false" ipc-concordant="G01B7/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using change in magnetic properties</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="G01B7/26" definition-exists="false" ipc-concordant="G01B7/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring depth</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="G01B7/28" definition-exists="false" ipc-concordant="G01B7/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring contours or curvatures</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B7/281" definition-exists="false" ipc-concordant="G01B7/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/281</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for measuring contour or curvature along an axis, e.g. axial curvature of a pipeline or along a series of feeder rollers</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="G01B7/282" definition-exists="false" ipc-concordant="G01B7/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/282</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for measuring roundness</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="G01B7/283" definition-exists="false" ipc-concordant="G01B7/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/283</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of gears</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="G01B7/284" definition-exists="false" ipc-concordant="G01B7/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/284</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of screw-threads</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="G01B7/285" definition-exists="false" ipc-concordant="G01B7/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/285</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of propellers or turbine blades</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B7/286" definition-exists="false" ipc-concordant="G01B7/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/286</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Spherometers</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="G01B7/287" definition-exists="false" ipc-concordant="G01B7/287" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/287</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using a plurality of fixed, simultaneously operating transducers </text><reference><text><class-ref scheme="cpc">G01B7/293</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="G01B7/293" definition-exists="false" ipc-concordant="G01B7/293" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/293</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring radius of curvature</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="G01B7/30" definition-exists="false" ipc-concordant="G01B7/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring angles or tapers</text></title-part><title-part><text>for testing the alignment of axes</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B7/305" definition-exists="false" ipc-concordant="G01B7/305" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/305</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for testing perpendicularity</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="G01B7/31" definition-exists="false" ipc-concordant="G01B7/31" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/31</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for testing the alignment of axes</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B7/312" definition-exists="false" ipc-concordant="G01B7/312" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/312</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring eccentricity, i.e. lateral shift between two parallel axes</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="G01B7/315" definition-exists="false" ipc-concordant="G01B7/315" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/315</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for testing wheel alignment</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="G01B7/32" definition-exists="true" ipc-concordant="G01B7/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-02-01" status="published"><classification-symbol>G01B7/32</classification-symbol><class-title date-revised="2023-02-01"><title-part><text>for measuring areas</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="G01B7/34" definition-exists="false" ipc-concordant="G01B7/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring roughness or irregularity of surfaces</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B7/345" definition-exists="false" ipc-concordant="G01B7/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B7/345</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for measuring evenness</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G01B9/00" definition-exists="true" ipc-concordant="G01B9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-02-01" status="published"><classification-symbol>G01B9/00</classification-symbol><class-title date-revised="2023-02-01"><title-part><text>Measuring instruments characterised by the use of optical techniques</text></title-part></class-title><notes-and-warnings><note type="note"><note-paragraph>When classifying in this group, optical arrangements for measuring specific parameters can be further classified in group <class-ref scheme="cpc">G01B11/00</class-ref>.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01B9/02" definition-exists="true" ipc-concordant="G01B9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Interferometers</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B9/02001" definition-exists="false" ipc-concordant="G01B9/02001" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02001</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>characterised by controlling or generating intrinsic radiation properties</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B9/02002" definition-exists="false" ipc-concordant="G01B9/02002" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02002</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>using two or more frequencies</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01B9/02003" definition-exists="false" ipc-concordant="G01B9/02003" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02003</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>using beat frequencies</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="G01B9/02004" definition-exists="false" ipc-concordant="G01B9/02004" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02004</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>using frequency scans</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="G01B9/02005" definition-exists="false" ipc-concordant="G01B9/02002" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02005</classification-symbol><class-title date-revised="2022-01-01"><title-part><CPC-specific-text><text>using discrete frequency stepping or switching</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="G01B9/02007" definition-exists="false" ipc-concordant="G01B9/02001" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Two or more frequencies or sources used for interferometric measurement </text><reference><text>using only beat <class-ref scheme="cpc">G01B9/02003</class-ref></text></reference></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="G01B9/02008" definition-exists="false" ipc-concordant="G01B9/02001" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using a frequency comb</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="G01B9/02009" definition-exists="false" ipc-concordant="G01B9/02001" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02009</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using two or more low coherence lengths using different or varying spectral width</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="G01B9/0201" definition-exists="false" ipc-concordant="G01B9/02001" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/0201</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using temporal phase variation</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="G01B9/02011" definition-exists="false" ipc-concordant="G01B9/02001" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02011</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using temporal polarization variation</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="G01B9/02012" definition-exists="false" ipc-concordant="G01B9/02001" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02012</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using temporal intensity variation</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="G01B9/02014" definition-exists="false" ipc-concordant="G01B9/02001" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02014</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using pulsed light</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B9/02015" definition-exists="false" ipc-concordant="G01B9/02015" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02015</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>characterised by the beam path configuration</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B9/02016" definition-exists="false" ipc-concordant="G01B9/02015" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02016</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>contacting two or more objects</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="G01B9/02017" definition-exists="false" ipc-concordant="G01B9/02017" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02017</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>with multiple interactions between the target object and light beams, e.g. beam reflections occurring from different locations</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01B9/02018" definition-exists="false" ipc-concordant="G01B9/02018" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02018</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Multipass interferometers, e.g. double-pass</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="G01B9/02019" definition-exists="false" ipc-concordant="G01B9/02017" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02019</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>contacting different points on same face of object</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="G01B9/02021" definition-exists="false" ipc-concordant="G01B9/02017" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>contacting different faces of object, e.g. opposite faces</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="G01B9/02022" definition-exists="false" ipc-concordant="G01B9/02015" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>contacting one object by grazing incidence</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="G01B9/02023" definition-exists="false" ipc-concordant="G01B9/02015" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Indirect probing of object, e.g. via influence on cavity or fibre</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="G01B9/02024" definition-exists="false" ipc-concordant="G01B9/02015" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Measuring in transmission, i.e. light traverses the object</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="G01B9/02025" definition-exists="false" ipc-concordant="G01B9/02015" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Interference between three or more discrete surfaces</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="G01B9/02027" definition-exists="false" ipc-concordant="G01B9/02015" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Two or more interferometric channels or interferometers</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="G01B9/02028" definition-exists="false" ipc-concordant="G01B9/02015" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Two or more reference or object arms in one interferometer</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="G01B9/02029" definition-exists="false" ipc-concordant="G01B9/02015" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02029</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Combination with non-interferometric systems, i.e. for measuring the object</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="G01B9/0203" definition-exists="false" ipc-concordant="G01B9/02015" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/0203</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>With imaging systems</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="G01B9/02031" definition-exists="false" ipc-concordant="G01B9/02015" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02031</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>With non-optical systems, e.g. tactile</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="G01B9/02032" definition-exists="false" ipc-concordant="G01B9/02015" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02032</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>generating a spatial carrier frequency, e.g. by creating lateral or angular offset between reference and object beam </text><reference><text>shearing interferometers <class-ref scheme="cpc">G01B9/02098</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B9/02034" definition-exists="false" ipc-concordant="G01B9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B9/02034</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by particularly shaped beams or wavefronts</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B9/02035" definition-exists="false" ipc-concordant="G01B9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B9/02035</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Shaping the focal point, e.g. elongated focus</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="G01B9/02036" definition-exists="false" ipc-concordant="G01B9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B9/02036</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using chromatic effects, e.g. a wavelength dependent focal point</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="G01B9/02037" definition-exists="false" ipc-concordant="G01B9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B9/02037</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by generating a transverse line focus</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="G01B9/02038" definition-exists="false" ipc-concordant="G01B9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B9/02038</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Shaping the wavefront, e.g. generating a spherical wavefront</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="G01B9/02039" definition-exists="false" ipc-concordant="G01B9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B9/02039</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by matching the wavefront with a particular object surface shape</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B9/02041" definition-exists="false" ipc-concordant="G01B9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B9/02041</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by particular imaging or detection techniques</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B9/02042" definition-exists="false" ipc-concordant="G01B9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B9/02042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Confocal imaging</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="G01B9/02043" definition-exists="false" ipc-concordant="G01B9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B9/02043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Imaging of the Fourier or pupil or back focal plane, i.e. angle resolved imaging</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="G01B9/02044" definition-exists="false" ipc-concordant="G01B9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B9/02044</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Imaging in the frequency domain, e.g. by using a spectrometer</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="G01B9/02045" definition-exists="false" ipc-concordant="G01B9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B9/02045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using the Doppler effect</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="G01B9/02047" definition-exists="false" ipc-concordant="G01B9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B9/02047</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using digital holographic imaging, e.g. lensless phase imaging without hologram in the reference path</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="G01B9/02048" definition-exists="false" ipc-concordant="G01B9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B9/02048</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Rough and fine measurement</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="G01B9/02049" definition-exists="false" ipc-concordant="G01B9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B9/02049</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by particular mechanical design details</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B9/0205" definition-exists="false" ipc-concordant="G01B9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B9/0205</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of probe head</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B9/02051" definition-exists="false" ipc-concordant="G01B9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B9/02051</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Integrated design, e.g. on-chip or monolithic</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="G01B9/02052" definition-exists="false" ipc-concordant="G01B9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B9/02052</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Protecting, e.g. shock absorbing, arrangements</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="G01B9/02054" definition-exists="false" ipc-concordant="G01B9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B9/02054</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Hand held</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="G01B9/02055" definition-exists="false" ipc-concordant="G01B9/02055" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02055</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Reduction or prevention of errors</text></title-part><title-part><text>Testing</text></title-part><title-part><text>Calibration</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B9/02056" definition-exists="false" ipc-concordant="G01B9/02056" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02056</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Passive reduction of errors</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01B9/02057" definition-exists="false" ipc-concordant="G01B9/02056" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02057</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using common path configuration, i.e. reference and object path almost entirely overlapping</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="G01B9/02058" definition-exists="false" ipc-concordant="G01B9/02056" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02058</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by particular optical compensation or alignment elements, e.g. dispersion compensation</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="G01B9/02059" definition-exists="false" ipc-concordant="G01B9/02056" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02059</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Reducing effect of parasitic reflections, e.g. cyclic errors</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="G01B9/02061" definition-exists="false" ipc-concordant="G01B9/02061" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02061</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Reduction or prevention of effects of tilts or misalignment</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="G01B9/02062" definition-exists="false" ipc-concordant="G01B9/02055" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02062</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Active error reduction, i.e. varying with time</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="G01B9/02063" definition-exists="false" ipc-concordant="G01B9/02055" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by particular alignment of focus position, e.g. dynamic focussing in optical coherence tomography</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="G01B9/02064" definition-exists="false" ipc-concordant="G01B9/02055" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02064</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by particular adjustment of coherence gate, i.e. adjusting position of zero path difference in low coherence interferometry</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01B9/02065" definition-exists="false" ipc-concordant="G01B9/02055" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a second interferometer before or after measuring interferometer</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01B9/02067" definition-exists="false" ipc-concordant="G01B9/02055" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02067</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by electronic control systems, i.e. using feedback acting on optics or light</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01B9/02068" definition-exists="false" ipc-concordant="G01B9/02055" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02068</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Auto-alignment of optical elements</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01B9/02069" definition-exists="false" ipc-concordant="G01B9/02055" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02069</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Synchronization of light source or manipulator and detector</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B9/0207" definition-exists="false" ipc-concordant="G01B9/02055" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/0207</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Error reduction by correction of the measurement signal based on independently determined error sources, e.g. using a reference interferometer</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="G01B9/02071" definition-exists="false" ipc-concordant="G01B9/02055" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02071</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by measuring path difference independently from interferometer</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="G01B9/02072" definition-exists="false" ipc-concordant="G01B9/02055" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02072</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by calibration or testing of interferometer</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01B9/02074" definition-exists="false" ipc-concordant="G01B9/02055" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02074</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the detector</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B9/02075" definition-exists="false" ipc-concordant="G01B9/02055" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02075</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of particular errors</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="G01B9/02076" definition-exists="false" ipc-concordant="G01B9/02055" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02076</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Caused by motion</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01B9/02077" definition-exists="false" ipc-concordant="G01B9/02055" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02077</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the object</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01B9/02078" definition-exists="false" ipc-concordant="G01B9/02055" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02078</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Caused by ambiguity</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01B9/02079" definition-exists="false" ipc-concordant="G01B9/02055" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02079</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Quadrature detection, i.e. detecting relatively phase-shifted signals</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="G01B9/02081" definition-exists="false" ipc-concordant="G01B9/02055" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02081</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>simultaneous quadrature detection, e.g. by spatial phase shifting</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="11" additional-only="false" sort-key="G01B9/02082" definition-exists="false" ipc-concordant="G01B9/02055" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02082</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Caused by speckles</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B9/02083" definition-exists="false" ipc-concordant="G01B9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B9/02083</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by particular signal processing and presentation</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B9/02084" definition-exists="false" ipc-concordant="G01B9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B9/02084</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Processing in the Fourier or frequency domain when not imaged in the frequency domain</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="G01B9/02085" definition-exists="false" ipc-concordant="G01B9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B9/02085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Combining two or more images of different regions</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="G01B9/02087" definition-exists="false" ipc-concordant="G01B9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B9/02087</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Combining two or more images of the same region</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="G01B9/02088" definition-exists="false" ipc-concordant="G01B9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B9/02088</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Matching signals with a database</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="G01B9/02089" definition-exists="false" ipc-concordant="G01B9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B9/02089</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Displaying the signal, e.g. for user interaction</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="G01B9/0209" definition-exists="false" ipc-concordant="G01B9/0209" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/0209</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Low-coherence interferometers</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B9/02091" definition-exists="false" ipc-concordant="G01B9/02091" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02091</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Tomographic interferometers, e.g. based on optical coherence</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="G01B9/02092" definition-exists="false" ipc-concordant="G01B9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B9/02092</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Self-mixing interferometers, i.e. feedback of light from object into laser cavity</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="G01B9/02094" definition-exists="false" ipc-concordant="G01B9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B9/02094</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Speckle interferometers, i.e. for detecting changes in speckle pattern</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B9/02095" definition-exists="false" ipc-concordant="G01B9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B9/02095</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>detecting deformation from original shape</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="G01B9/02096" definition-exists="false" ipc-concordant="G01B9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B9/02096</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>detecting a contour or curvature</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="G01B9/02097" definition-exists="false" ipc-concordant="G01B9/02097" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02097</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Self-interferometers</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B9/02098" definition-exists="false" ipc-concordant="G01B9/02098" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>G01B9/02098</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Shearing interferometers</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="G01B9/021" definition-exists="false" ipc-concordant="G01B9/021" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B9/021</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using holographic techniques</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B9/023" definition-exists="false" ipc-concordant="G01B9/023" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>G01B9/023</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>for contour producing </text><reference><text><class-ref scheme="cpc">G01B9/025</class-ref> - <class-ref scheme="cpc">G01B9/029</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="10" additional-only="false" sort-key="G01B9/025" definition-exists="false" ipc-concordant="G01B9/025" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B9/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Double exposure technique</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="G01B9/027" definition-exists="false" ipc-concordant="G01B9/027" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B9/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in real time</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="G01B9/029" definition-exists="false" ipc-concordant="G01B9/029" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B9/029</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by time averaging</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="G01B9/04" definition-exists="false" ipc-concordant="G01B9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>G01B9/04</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>Measuring microscopes</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="G01B9/06" definition-exists="false" ipc-concordant="G01B9/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>G01B9/06</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>Measuring telescopes</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="G01B9/08" definition-exists="false" ipc-concordant="G01B9/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B9/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Optical projection comparators</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="G01B9/10" definition-exists="false" ipc-concordant="G01B9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B9/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Goniometers for measuring angles between surfaces</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="G01B11/00" definition-exists="true" ipc-concordant="G01B11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-02-01" status="published"><classification-symbol>G01B11/00</classification-symbol><class-title date-revised="2023-02-01"><title-part><text>Measuring arrangements characterised by the use of optical techniques</text></title-part></class-title><notes-and-warnings><note type="note"><note-paragraph>When classifying in this group, specific optical measuring instruments can be further classified in group <class-ref scheme="cpc">G01B9/00</class-ref>.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01B11/002" definition-exists="false" ipc-concordant="G01B11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for measuring two or more coordinates</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="G01B11/005" definition-exists="false" ipc-concordant="G01B11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>coordinate measuring machines</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B11/007" definition-exists="false" ipc-concordant="G01B11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>feeler heads therefor</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="G01B11/02" definition-exists="false" ipc-concordant="G01B11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring length, width or thickness </text><reference><text><class-ref scheme="cpc">G01B11/08</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="G01B11/022" definition-exists="false" ipc-concordant="G01B11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by means of tv-camera scanning</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="G01B11/024" definition-exists="false" ipc-concordant="G01B11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by means of diode-array scanning</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="G01B11/026" definition-exists="false" ipc-concordant="G01B11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by measuring distance between sensor and object </text><reference><text><class-ref scheme="cpc">G01B11/0608</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="G01B11/028" definition-exists="false" ipc-concordant="G01B11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by measuring lateral position of a boundary of the object </text><reference><text><class-ref scheme="cpc">G01B11/022</class-ref>, <class-ref scheme="cpc">G01B11/024</class-ref>, <class-ref scheme="cpc">G01B11/04</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B11/03" definition-exists="false" ipc-concordant="G01B11/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by measuring coordinates of points</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="G01B11/04" definition-exists="false" ipc-concordant="G01B11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>specially adapted for measuring length or width of objects while moving</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B11/043" definition-exists="false" ipc-concordant="G01B11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for measuring length</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="G01B11/046" definition-exists="false" ipc-concordant="G01B11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for measuring width</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="G01B11/06" definition-exists="false" ipc-concordant="G01B11/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>G01B11/06</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>for measuring thickness </text><CPC-specific-text><text>; e.g. of sheet material </text><reference><text>thickness measurement by thermal means <class-ref scheme="cpc">G01B21/085</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="G01B11/0608" definition-exists="false" ipc-concordant="G01B11/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/0608</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Height gauges</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="G01B11/0616" definition-exists="false" ipc-concordant="G01B11/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/0616</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of coating</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="G01B11/0625" definition-exists="false" ipc-concordant="G01B11/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/0625</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with measurement of absorption or reflection</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01B11/0633" definition-exists="false" ipc-concordant="G01B11/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/0633</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using one or more discrete wavelengths</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01B11/0641" definition-exists="false" ipc-concordant="G01B11/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/0641</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with measurement of polarization</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G01B11/065" definition-exists="false" ipc-concordant="G01B11/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using one or more discrete wavelengths</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G01B11/0658" definition-exists="false" ipc-concordant="G01B11/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/0658</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with measurement of emissivity or reradiation</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="G01B11/0666" definition-exists="false" ipc-concordant="G01B11/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/0666</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using an exciting beam and a detection beam including surface acoustic waves [SAW]</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="G01B11/0675" definition-exists="false" ipc-concordant="G01B11/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/0675</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using interferometry</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="G01B11/0683" definition-exists="false" ipc-concordant="G01B11/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/0683</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>measurement during deposition or removal of the layer</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="G01B11/0691" definition-exists="false" ipc-concordant="G01B11/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/0691</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of objects while moving </text><reference><text><class-ref scheme="cpc">G01B11/0616</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01B11/08" definition-exists="false" ipc-concordant="G01B11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring diameters</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B11/10" definition-exists="false" ipc-concordant="G01B11/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of objects while moving</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B11/105" definition-exists="false" ipc-concordant="G01B11/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using photoelectric detection means</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B11/12" definition-exists="false" ipc-concordant="G01B11/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>internal diameters</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="G01B11/14" definition-exists="false" ipc-concordant="G01B11/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>G01B11/14</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>for measuring distance or clearance between spaced objects or spaced apertures </text><reference><text><class-ref scheme="cpc">G01B11/26</class-ref> takes precedence; rangefinders <class-ref scheme="cpc">G01C3/00</class-ref></text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01B11/16" definition-exists="false" ipc-concordant="G01B11/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring the deformation in a solid, e.g. optical strain gauge</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B11/161" definition-exists="false" ipc-concordant="G01B11/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/161</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by interferometric means</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B11/162" definition-exists="false" ipc-concordant="G01B11/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/162</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by speckle- or shearing interferometry</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="G01B11/164" definition-exists="false" ipc-concordant="G01B11/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/164</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by holographic interferometry</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="G01B11/165" definition-exists="false" ipc-concordant="G01B11/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/165</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by means of a grating deformed by the object</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="G01B11/167" definition-exists="false" ipc-concordant="G01B11/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/167</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by projecting a pattern on the object</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="G01B11/168" definition-exists="false" ipc-concordant="G01B11/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/168</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by means of polarisation</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="G01B11/18" definition-exists="false" ipc-concordant="G01B11/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-10-01" status="published"><classification-symbol>G01B11/18</classification-symbol><class-title date-revised="2015-10-01"><title-part><CPC-specific-text><text>using photoelastic elements</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="G01B11/20" definition-exists="false" ipc-concordant="G01B11/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-10-01" status="published"><classification-symbol>G01B11/20</classification-symbol><class-title date-revised="2015-10-01"><title-part><CPC-specific-text><text>using brittle lacquer</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="G01B11/22" definition-exists="false" ipc-concordant="G01B11/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring depth</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="G01B11/24" definition-exists="false" ipc-concordant="G01B11/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring contours or curvatures</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B11/2408" definition-exists="false" ipc-concordant="G01B11/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/2408</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for measuring roundness</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="G01B11/2416" definition-exists="false" ipc-concordant="G01B11/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/2416</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of gears </text><reference><text>optical projection profile comparators <class-ref scheme="cpc">G01B9/08</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="G01B11/2425" definition-exists="false" ipc-concordant="G01B11/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/2425</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of screw-threads</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="G01B11/2433" definition-exists="false" ipc-concordant="G01B11/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/2433</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for measuring outlines by shadow casting</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="G01B11/2441" definition-exists="false" ipc-concordant="G01B11/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/2441</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using interferometry</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="G01B11/245" definition-exists="false" ipc-concordant="G01B11/245" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>G01B11/245</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>using a plurality of fixed, simultaneously operating transducers </text><reference><CPC-specific-text><text><class-ref scheme="cpc">G01B11/2408</class-ref> - <class-ref scheme="cpc">G01B11/2425</class-ref>, </text></CPC-specific-text><text> <class-ref scheme="cpc">G01B11/255</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="9" additional-only="false" sort-key="G01B11/25" definition-exists="false" ipc-concordant="G01B11/25" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>G01B11/25</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>by projecting a pattern, e.g. </text><CPC-specific-text><text>one or more lines,</text></CPC-specific-text><text> moiré fringes on the object </text><reference><text><class-ref scheme="cpc">G01B11/255</class-ref> takes precedence </text><CPC-specific-text><text>; image analysis for depth or shape recovery <class-ref scheme="cpc">G06T7/50</class-ref></text></CPC-specific-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="G01B11/2504" definition-exists="false" ipc-concordant="G01B11/25" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/2504</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Calibration devices</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="G01B11/2509" definition-exists="false" ipc-concordant="G01B11/25" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/2509</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Color coding</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="G01B11/2513" definition-exists="false" ipc-concordant="G01B11/25" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/2513</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with several lines being projected in more than one direction, e.g. grids, patterns</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="G01B11/2518" definition-exists="false" ipc-concordant="G01B11/25" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/2518</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Projection by scanning of the object</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="G01B11/2522" definition-exists="false" ipc-concordant="G01B11/25" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/2522</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the position of the object changing and being recorded</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="G01B11/2527" definition-exists="false" ipc-concordant="G01B11/25" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/2527</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with phase change by in-plane movement of the patern</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="G01B11/2531" definition-exists="false" ipc-concordant="G01B11/25" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/2531</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using several gratings, projected with variable angle of incidence on the object, and one detection device</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="G01B11/2536" definition-exists="false" ipc-concordant="G01B11/25" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/2536</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using several gratings with variable grating pitch, projected on the object with the same angle of incidence</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="G01B11/254" definition-exists="false" ipc-concordant="G01B11/25" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-01-01" status="published"><classification-symbol>G01B11/254</classification-symbol><class-title date-revised="2017-01-01"><title-part><CPC-specific-text><text>Projection of a pattern, viewing through a pattern, e.g. moiré</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="G01B11/2545" definition-exists="false" ipc-concordant="G01B11/25" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/2545</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with one projection direction and several detection directions, e.g. stereo</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="G01B11/255" definition-exists="false" ipc-concordant="G01B11/255" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/255</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring radius of curvature </text><CPC-specific-text><reference><text>measuring diameter <class-ref scheme="cpc">G01B11/08</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01B11/26" definition-exists="false" ipc-concordant="G01B11/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring angles or tapers</text></title-part><title-part><text>for testing the alignment of axes</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B11/27" definition-exists="false" ipc-concordant="G01B11/27" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/27</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for testing the alignment of axes </text><CPC-specific-text><reference><text>means for centering or aligning a light guide within a ferrule <class-ref scheme="cpc">G02B6/3834</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="G01B11/272" definition-exists="false" ipc-concordant="G01B11/27" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/272</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using photoelectric detection means</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B11/275" definition-exists="false" ipc-concordant="G01B11/275" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/275</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for testing wheel alignment</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B11/2755" definition-exists="false" ipc-concordant="G01B11/275" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/2755</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using photoelectric detection means</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="G01B11/28" definition-exists="true" ipc-concordant="G01B11/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-02-01" status="published"><classification-symbol>G01B11/28</classification-symbol><class-title date-revised="2023-02-01"><title-part><text>for measuring areas</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B11/285" definition-exists="false" ipc-concordant="G01B11/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/285</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using photoelectric detection means</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01B11/30" definition-exists="false" ipc-concordant="G01B11/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring roughness or irregularity of surfaces</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B11/303" definition-exists="false" ipc-concordant="G01B11/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/303</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using photoelectric detection means</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="G01B11/306" definition-exists="false" ipc-concordant="G01B11/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B11/306</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for measuring evenness</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G01B13/00" definition-exists="true" ipc-concordant="G01B13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-02-01" status="published"><classification-symbol>G01B13/00</classification-symbol><class-title date-revised="2023-02-01"><title-part><text>Measuring arrangements characterised by the use of fluids</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01B13/02" definition-exists="false" ipc-concordant="G01B13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B13/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring length, width or thickness </text><reference><text><class-ref scheme="cpc">G01B13/08</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="G01B13/03" definition-exists="false" ipc-concordant="G01B13/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B13/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by measuring coordinates of points</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="G01B13/04" definition-exists="false" ipc-concordant="G01B13/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B13/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>specially adapted for measuring length or width of objects while moving</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="G01B13/06" definition-exists="false" ipc-concordant="G01B13/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>G01B13/06</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>for measuring thickness</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B13/065" definition-exists="false" ipc-concordant="G01B13/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B13/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Height gauges</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="G01B13/08" definition-exists="false" ipc-concordant="G01B13/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B13/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring diameters</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B13/10" definition-exists="false" ipc-concordant="G01B13/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B13/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>internal diameters</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="G01B13/12" definition-exists="false" ipc-concordant="G01B13/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B13/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring distance or clearance between spaced objects or spaced apertures </text><reference><text><class-ref scheme="cpc">G01B13/18</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01B13/14" definition-exists="false" ipc-concordant="G01B13/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B13/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring depth</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="G01B13/16" definition-exists="false" ipc-concordant="G01B13/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B13/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring contours or curvatures</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="G01B13/18" definition-exists="false" ipc-concordant="G01B13/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B13/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring angles or tapers</text></title-part><title-part><text>for testing the alignment of axes</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B13/19" definition-exists="false" ipc-concordant="G01B13/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B13/19</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for testing the alignment of axes</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B13/195" definition-exists="false" ipc-concordant="G01B13/195" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B13/195</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for testing wheel alignment</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="G01B13/20" definition-exists="true" ipc-concordant="G01B13/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-02-01" status="published"><classification-symbol>G01B13/20</classification-symbol><class-title date-revised="2023-02-01"><title-part><text>for measuring areas, e.g. pneumatic planimeters</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="G01B13/22" definition-exists="false" ipc-concordant="G01B13/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B13/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring roughness or irregularity of surfaces</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01B13/24" definition-exists="false" ipc-concordant="G01B13/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B13/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring the deformation in a solid</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="G01B15/00" definition-exists="true" ipc-concordant="G01B15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-02-01" status="published"><classification-symbol>G01B15/00</classification-symbol><class-title date-revised="2023-02-01"><title-part><text>Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons </text><reference><text>characterised by the use of optical techniques <class-ref scheme="cpc">G01B9/00</class-ref>, <class-ref scheme="cpc">G01B11/00</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01B15/02" definition-exists="false" ipc-concordant="G01B15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B15/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring thickness</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B15/025" definition-exists="false" ipc-concordant="G01B15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B15/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by measuring absorption</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="G01B15/04" definition-exists="false" ipc-concordant="G01B15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B15/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring contours or curvatures</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B15/045" definition-exists="false" ipc-concordant="G01B15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B15/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by measuring absorption</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="G01B15/06" definition-exists="false" ipc-concordant="G01B15/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B15/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring the deformation in a solid</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="G01B15/08" definition-exists="false" ipc-concordant="G01B15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B15/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring roughness or irregularity of surfaces</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="G01B17/00" definition-exists="true" ipc-concordant="G01B17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-02-01" status="published"><classification-symbol>G01B17/00</classification-symbol><class-title date-revised="2023-02-01"><title-part><text>Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01B17/02" definition-exists="false" ipc-concordant="G01B17/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B17/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring thickness</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B17/025" definition-exists="false" ipc-concordant="G01B17/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B17/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for measuring thickness of coating</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="G01B17/04" definition-exists="false" ipc-concordant="G01B17/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B17/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring the deformation in a solid, e.g. by vibrating string</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="G01B17/06" definition-exists="false" ipc-concordant="G01B17/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B17/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring contours or curvatures</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="G01B17/08" definition-exists="false" ipc-concordant="G01B17/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B17/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring roughness or irregularity of surfaces</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="G01B21/00" definition-exists="true" ipc-concordant="G01B21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-02-01" status="published"><classification-symbol>G01B21/00</classification-symbol><class-title date-revised="2023-02-01"><title-part><text>Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> Measuring arrangements or details thereof covered by two or more of groups <class-ref scheme="cpc">G01B3/00</class-ref> - <class-ref scheme="cpc">G01B17/00</class-ref> are classified in this group if no single other group can be selected as being predominantly applicable. </note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01B21/02" definition-exists="false" ipc-concordant="G01B21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B21/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring length, width, or thickness </text><reference><text><class-ref scheme="cpc">G01B21/10</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="G01B21/04" definition-exists="false" ipc-concordant="G01B21/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B21/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by measuring coordinates of points</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B21/042" definition-exists="false" ipc-concordant="G01B21/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B21/042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Calibration or calibration artifacts </text><reference><text><class-ref scheme="cpc">G01B3/30</class-ref>, <class-ref scheme="cpc">G01B9/02072</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B21/045" definition-exists="false" ipc-concordant="G01B21/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B21/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Correction of measurements </text><reference><text><class-ref scheme="cpc">G01B9/02055</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B21/047" definition-exists="false" ipc-concordant="G01B21/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B21/047</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Accessories, e.g. for positioning, for tool-setting, for measuring probes</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="G01B21/06" definition-exists="false" ipc-concordant="G01B21/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-08-01" status="published"><classification-symbol>G01B21/06</classification-symbol><class-title date-revised="2020-08-01"><title-part><text>specially adapted for measuring length or width of objects while moving</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B21/065" definition-exists="false" ipc-concordant="G01B21/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B21/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for stretchable materials</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="G01B21/08" definition-exists="false" ipc-concordant="G01B21/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B21/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring thickness</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G01B21/085" definition-exists="false" ipc-concordant="G01B21/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B21/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using thermal means</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="G01B21/10" definition-exists="false" ipc-concordant="G01B21/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B21/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring diameters</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B21/12" definition-exists="false" ipc-concordant="G01B21/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B21/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of objects while moving</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="G01B21/14" definition-exists="false" ipc-concordant="G01B21/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B21/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>internal diameters </text><CPC-specific-text><reference><text>of boreholes or wells <class-ref scheme="cpc">E21B47/08</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G01B21/16" definition-exists="false" ipc-concordant="G01B21/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B21/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring distance of clearance between spaced objects</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="G01B21/18" definition-exists="false" ipc-concordant="G01B21/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B21/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring depth</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="G01B21/20" definition-exists="false" ipc-concordant="G01B21/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B21/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring contours or curvatures, e.g. determining profile</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="G01B21/22" definition-exists="false" ipc-concordant="G01B21/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B21/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring angles or tapers</text></title-part><title-part><text>for testing the alignment of axes</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G01B21/24" definition-exists="false" ipc-concordant="G01B21/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B21/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for testing alignment of axes</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="G01B21/32" definition-exists="false" ipc-concordant="G01B21/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G01B21/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measuring the deformation in a solid</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="G01B210/00" date-revised="2013-01-01" status="published"><classification-symbol>G01B2210/00</classification-symbol>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="G01B210/10" 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>G01B2210/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Wheel alignment</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G01B210/16" 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>G01B2210/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Active or passive device attached to the chassis of a vehicle</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G01B210/18" 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>G01B2210/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specially developed for using with motorbikes or other two-wheeled vehicles</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G01B210/20" 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>G01B2210/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Vehicle in a state of translatory motion</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G01B210/22" 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>G01B2210/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Wheels in a state of motion supported on rollers, rotating platform or other structure substantially capable of only one degree of rotational freedom</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G01B210/26" 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>G01B2210/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Algorithms, instructions, databases, computerized methods and graphical user interfaces employed by a user in conjunction with the wheel aligner</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G01B210/283" 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>G01B2210/283</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Beam projectors and related sensors</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G01B210/30" 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>G01B2210/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Reference markings, reflector, scale or other passive device</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G01B210/303" 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>G01B2210/303</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>fixed to the ground or to the measuring station</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="G01B210/306" 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>G01B2210/306</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mirror, prism or other reflector</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="G01B210/40" 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>G01B2210/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Caliper-like sensors</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G01B210/42" 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>G01B2210/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with one or more detectors on a single side of the object to be measured and with a backing surface of support or reference on the other side</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G01B210/44" 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>G01B2210/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with detectors on both sides of the object to be measured</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G01B210/46" 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>G01B2210/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with one or more detectors on a single side of the object to be measured and with a transmitter on the other side</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="G01B210/48" 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>G01B2210/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for measurement of a wafer</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="G01B210/50" 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>G01B2210/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Using chromatic effects to achieve wavelength-dependent depth resolution</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="G01B210/52" 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>G01B2210/52</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Combining or merging partially overlapping images to an overall image</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="G01B210/54" 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>G01B2210/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Revolving an optical measuring instrument around a body</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="G01B210/56" 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>G01B2210/56</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Measuring geometric parameters of semiconductor structures, e.g. profile, critical dimensions or trench depth</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="G01B210/58" 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>G01B2210/58</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Wireless transmission of information between a sensor or probe and a control or evaluation unit</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="G01B210/60" 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>G01B2210/60</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Unique sensor identification</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="G01B290/10" 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>G01B2290/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Astronomic interferometers</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="G01B290/15" 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>G01B2290/15</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cat eye, i.e. reflection always parallel to incoming beam</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="G01B290/20" 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>G01B2290/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Dispersive element for generating dispersion</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="G01B290/25" 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>G01B2290/25</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fabry-Perot in interferometer, e.g. etalon, cavity</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="G01B290/30" 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>G01B2290/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Grating as beam-splitter</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="G01B290/35" 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>G01B2290/35</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mechanical variable delay line</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="G01B290/40" 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>G01B2290/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Non-mechanical variable delay line</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="G01B290/45" 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>G01B2290/45</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Multiple detectors for detecting interferometer signals</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="G01B290/50" 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>G01B2290/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pupil plane manipulation, e.g. filtering light of certain reflection angles</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="G01B290/55" 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>G01B2290/55</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Quantum effects</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="G01B290/60" 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>G01B2290/60</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Reference interferometer, i.e. additional interferometer not interacting with object</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="G01B290/65" 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>G01B2290/65</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Spatial scanning object beam</text></title-part></class-title></classification-item>
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