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250 lines
135 KiB
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250 lines
135 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="G09B" definition-exists="true" date-revised="2018-08-01" status="published"><classification-symbol>G09B</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>EDUCATIONAL OR DEMONSTRATION APPLIANCES</text></title-part><title-part><text>APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE</text></title-part><title-part><text>MODELS</text></title-part><title-part><text>PLANETARIA</text></title-part><title-part><text>GLOBES</text></title-part><title-part><text>MAPS</text></title-part><title-part><text>DIAGRAMS </text><reference><text>devices for psychotechnics or for testing reaction times <class-ref scheme="cpc">A61B5/16</class-ref>; games, sports, amusements <class-ref scheme="cpc">A63</class-ref>; projectors, projector screens <class-ref scheme="cpc">G03B</class-ref></text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>This subclass <u>covers</u>: <subnote type="bullet"><note-paragraph>simulators regarded as teaching or training devices, which is the case if they give perceptible sensations having a likeness to the sensations a student would experience in reality in response to actions taken by him; </note-paragraph><note-paragraph>models of buildings, installations, or the like.</note-paragraph></subnote></note-paragraph><note-paragraph>This subclass <u>does not cover</u>: <subnote type="bullet"><note-paragraph>simulators which demonstrate, by means involving computing, the function of apparatus or of a system, which are covered by class <class-ref scheme="cpc">G06</class-ref>, if no provision exists elsewhere </note-paragraph><note-paragraph>components of simulators, if identical with real devices or machines, which are covered by the relevant subclasses for these devices or machines (and not by class <class-ref scheme="cpc">G09</class-ref>).</note-paragraph></subnote></note-paragraph></note><note type="warning"><note-paragraph>In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="G09B1/00" date-revised="2013-01-01" status="published"><classification-symbol>G09B1/00</classification-symbol>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G09B1/00" definition-exists="true" ipc-concordant="G09B1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B1/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Manually or mechanically operated educational appliances using elements forming, or bearing, symbols, signs, pictures, or the like which are arranged or adapted to be arranged in one or more particular ways </text><reference><text>puzzle-games <class-ref scheme="cpc">A63F9/00</class-ref>; advertising or displaying in general <class-ref scheme="cpc">G09F</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="G09B1/02" definition-exists="false" ipc-concordant="G09B1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B1/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>and having a support carrying or adapted to carry the elements</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09B1/04" definition-exists="false" ipc-concordant="G09B1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B1/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the elements each bearing a single symbol or a single combination of symbols</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09B1/06" definition-exists="false" ipc-concordant="G09B1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B1/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>and being attachable to, or mounted on, the support</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G09B1/08" definition-exists="false" ipc-concordant="G09B1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B1/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by means of magnets</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="G09B1/10" definition-exists="false" ipc-concordant="G09B1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B1/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by means of pins and holes</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="G09B1/12" definition-exists="false" ipc-concordant="G09B1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B1/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by means of ring-like securing elements </text><reference><text>sheets temporarily attached together by rings or coils <class-ref scheme="cpc">B42F3/00</class-ref>, <class-ref scheme="cpc">G09B5/00</class-ref></text></reference></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="G09B1/14" definition-exists="false" ipc-concordant="G09B1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B1/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the elements being slidably mounted on the support</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="G09B1/16" definition-exists="false" ipc-concordant="G09B1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B1/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the elements each bearing a plurality of different symbols, signs, or combinations of symbols and signs, only one symbol, sign, or combination thereof, of each element to be used at a time</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09B1/18" definition-exists="false" ipc-concordant="G09B1/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B1/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the elements being rotatable</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G09B1/20" definition-exists="false" ipc-concordant="G09B1/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B1/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>and bearing the symbols on a surface parallel to the axis of rotation</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="G09B1/22" definition-exists="false" ipc-concordant="G09B1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B1/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>and bearing the symbols on a surface perpendicular to the axis of rotation</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="G09B1/24" definition-exists="false" ipc-concordant="G09B1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B1/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the elements being in flexible strip form, e.g. endless bands</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="G09B1/26" definition-exists="false" ipc-concordant="G09B1/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B1/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the elements being arranged in fan form</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="G09B1/28" definition-exists="false" ipc-concordant="G09B1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B1/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the elements being slidable</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="G09B1/30" definition-exists="false" ipc-concordant="G09B1/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B1/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>wherein the elements are adapted to be arranged in co-operation with the support to form symbols </text><reference><text>without special support <class-ref scheme="cpc">G09B1/40</class-ref></text></reference></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09B1/32" definition-exists="false" ipc-concordant="G09B1/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B1/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising elements to be used without a special support</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09B1/325" definition-exists="false" ipc-concordant="G09B1/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B1/325</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the elements comprising interacting electronic components</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="G09B1/34" definition-exists="false" ipc-concordant="G09B1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B1/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the elements to be placed loosely in adjacent relationship</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="G09B1/36" definition-exists="false" ipc-concordant="G09B1/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B1/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the elements being connectible by corresponding projections and recesses</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="G09B1/38" definition-exists="false" ipc-concordant="G09B1/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B1/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the elements being connectible magnetically</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="G09B1/40" definition-exists="false" ipc-concordant="G09B1/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B1/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>to form symbols or signs by appropriate arrangement</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="G09B3/00" definition-exists="true" ipc-concordant="G09B3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B3/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Manually or mechanically operated teaching appliances working with questions and answers </text><reference><text>electrically-operated <class-ref scheme="cpc">G09B7/00</class-ref>; </text><CPC-specific-text><text>e.g. <class-ref scheme="cpc">G09B7/063</class-ref></text></CPC-specific-text><text> advertising or displaying in general <class-ref scheme="cpc">G09F</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="G09B3/02" definition-exists="false" ipc-concordant="G09B3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B3/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of the type wherein the student is expected to construct an answer to the question which is presented or wherein the machine gives an answer to the question presented by a student</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09B3/04" definition-exists="false" ipc-concordant="G09B3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B3/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of chart form </text><reference><text>masks <class-ref scheme="cpc">G09B17/02</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09B3/045" definition-exists="false" ipc-concordant="G09B3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B3/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with invisibly printed correct answer; the answer being rendered visible by special optical means, e.g. filters; mirrors</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="G09B3/06" definition-exists="false" ipc-concordant="G09B3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B3/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of the multiple-choice answer type, i.e. where a given question is provided with a series of answers and a choice has to be made</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09B3/08" definition-exists="false" ipc-concordant="G09B3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B3/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of chart form </text><reference><text>having one set of answers common to a plurality of questions <class-ref scheme="cpc">G09B3/12</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09B3/085" definition-exists="false" ipc-concordant="G09B3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B3/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with invisibly printed correct answer; the answer being rendered visible by special optical means, e.g. filters; mirrors</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="G09B3/10" definition-exists="false" ipc-concordant="G09B3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B3/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>wherein one set of answers is common to a plurality of questions</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09B3/12" definition-exists="false" ipc-concordant="G09B3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B3/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of chart form</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G09B5/00" definition-exists="true" ipc-concordant="G09B5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>G09B5/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electrically-operated educational appliances </text><reference><text>working with questions and answers <class-ref scheme="cpc">G09B7/00</class-ref>; simulators <class-ref scheme="cpc">G09B9/00</class-ref>; advertising or displaying in general <class-ref scheme="cpc">G09F</class-ref></text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>Group <class-ref scheme="cpc">G09B5/08</class-ref> takes precedence over groups <class-ref scheme="cpc">G09B5/02</class-ref> - <class-ref scheme="cpc">G09B5/06</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="G09B5/02" definition-exists="false" ipc-concordant="G09B5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B5/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with visual presentation of the material to be studied, e.g. using film strip</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="G09B5/04" definition-exists="true" ipc-concordant="G09B5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>G09B5/04</classification-symbol><class-title date-revised="2023-01-01"><title-part><text>with audible presentation of the material to be studied </text><reference><text>sound recording or reproducing <class-ref scheme="cpc">G11B</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="G09B5/06" definition-exists="false" ipc-concordant="G09B5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B5/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with both visual and audible presentation of the material to be studied</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09B5/062" definition-exists="true" ipc-concordant="G09B5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B5/062</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Combinations of audio and printed presentations, e.g. magnetically striped cards, talking books, magnetic tapes with printed texts thereon</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="G09B5/065" definition-exists="false" ipc-concordant="G09B5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B5/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Combinations of audio and video presentations, e.g. videotapes, videodiscs, television systems</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="G09B5/067" definition-exists="false" ipc-concordant="G09B5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-10-01" status="published"><classification-symbol>G09B5/067</classification-symbol><class-title date-revised="2015-10-01"><title-part><CPC-specific-text><text>Combinations of audio and projected visual presentation, e.g. film, slides</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="G09B5/08" definition-exists="true" ipc-concordant="G09B5/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B5/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>providing for individual presentation of information to a plurality of student stations</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09B5/10" definition-exists="true" ipc-concordant="G09B5/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B5/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>all student stations being capable of presenting the same information simultaneously </text><reference><text><class-ref scheme="cpc">G09B5/14</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="G09B5/12" definition-exists="false" ipc-concordant="G09B5/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B5/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>different stations being capable of presenting different information simultaneously </text><reference><text><class-ref scheme="cpc">G09B5/14</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="G09B5/125" definition-exists="false" ipc-concordant="G09B5/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B5/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the stations being mobile</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="G09B5/14" definition-exists="true" ipc-concordant="G09B5/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B5/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with provision for individual teacher-student communication</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="G09B7/00" definition-exists="true" ipc-concordant="G09B7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B7/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electrically-operated teaching apparatus or devices working with questions and answers </text><reference><text>mechanically operated <class-ref scheme="cpc">G09B3/00</class-ref>; computing arrangements <class-ref scheme="cpc">G06F</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="G09B7/02" definition-exists="false" ipc-concordant="G09B7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B7/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of the type wherein the student is expected to construct an answer to the question which is presented or wherein the machine gives an answer to the question presented by a student</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09B7/04" definition-exists="false" ipc-concordant="G09B7/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B7/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by modifying the teaching programme in response to a wrong answer, e.g. repeating the question, supplying a further explanation</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="G09B7/06" definition-exists="true" ipc-concordant="G09B7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B7/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of the multiple-choice answer-type, i.e. where a given question is provided with a series of answers and a choice has to be made from the answers</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09B7/063" definition-exists="false" ipc-concordant="G09B7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B7/063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with hand-placed probe or plug</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="G09B7/066" definition-exists="false" ipc-concordant="G09B7/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B7/066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with answer indicating cards, blocks</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="G09B7/07" definition-exists="true" ipc-concordant="G09B7/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B7/07</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>providing for individual presentation of questions to a plurality of student stations</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09B7/073" definition-exists="false" ipc-concordant="G09B7/073" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B7/073</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>all student stations being capable of presenting the same questions simultaneously</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="G09B7/077" definition-exists="false" ipc-concordant="G09B7/077" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B7/077</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>different stations being capable of presenting different questions simultaneously</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="G09B7/08" definition-exists="false" ipc-concordant="G09B7/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B7/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by modifying the teaching programme in response to a wrong answer, e.g. repeating the question, supplying further information</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="G09B7/10" definition-exists="false" ipc-concordant="G09B7/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B7/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>wherein a set of answers is common to a plurality of questions</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09B7/12" definition-exists="false" ipc-concordant="G09B7/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B7/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by modifying the teaching programme in response to a wrong answer, e.g. repeating the question, supplying further information</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G09B9/00" definition-exists="true" ipc-concordant="G09B9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-05-01" status="published"><classification-symbol>G09B9/00</classification-symbol><class-title date-revised="2022-05-01"><title-part><text>Simulators for teaching or training purposes </text><reference><text>for the use of weapons <class-ref scheme="cpc">F41</class-ref>; computing aspects <class-ref scheme="cpc">G06</class-ref>; </text><CPC-specific-text><text>protocols for games, networked simulations or virtual reality <class-ref scheme="cpc">H04L67/131</class-ref></text></CPC-specific-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="G09B9/003" definition-exists="false" ipc-concordant="G09B9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for military purposes and tactics</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="G09B9/006" definition-exists="true" ipc-concordant="G09B9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for locating or ranging of objects</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="G09B9/02" definition-exists="true" ipc-concordant="G09B9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for teaching control of vehicles or other craft</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09B9/04" definition-exists="true" ipc-concordant="G09B9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for teaching control of land vehicles</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09B9/042" definition-exists="true" ipc-concordant="G09B9/042" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/042</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>providing simulation in a real vehicle </text><reference><text><class-ref scheme="cpc">G09B9/052</class-ref>, <class-ref scheme="cpc">G09B9/058</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="G09B9/048" definition-exists="false" ipc-concordant="G09B9/048" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/048</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>a model being viewed and manoeuvred from a remote point </text><reference><text><class-ref scheme="cpc">G09B9/052</class-ref>, <class-ref scheme="cpc">G09B9/058</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="G09B9/05" definition-exists="false" ipc-concordant="G09B9/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/05</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the view from a vehicle being simulated </text><reference><text><class-ref scheme="cpc">G09B9/052</class-ref>, <class-ref scheme="cpc">G09B9/058</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="G09B9/052" definition-exists="false" ipc-concordant="G09B9/052" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/052</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by provision for recording or measuring trainee's performance </text><reference><text>devices for psychotechnics, e.g. for vehicle drivers <class-ref scheme="cpc">A61B5/16</class-ref>, <class-ref scheme="cpc">A61B5/18</class-ref></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="G09B9/058" definition-exists="true" ipc-concordant="G09B9/058" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/058</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for teaching control of cycles or motorcycles</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="G09B9/06" definition-exists="false" ipc-concordant="G09B9/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for teaching control of ships, boats, or other waterborne vehicles</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09B9/063" definition-exists="false" ipc-concordant="G09B9/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using visual displays</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="G09B9/066" definition-exists="false" ipc-concordant="G09B9/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sailing; Surfing</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="G09B9/08" definition-exists="false" ipc-concordant="G09B9/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for teaching control of aircraft, e.g. Link trainer</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09B9/085" definition-exists="false" ipc-concordant="G09B9/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Special purpose teaching, e.g. alighting on water, aerial photography</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="G09B9/10" definition-exists="false" ipc-concordant="G09B9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with simulated flight- or engine-generated force being applied to aircraft occupant </text><reference><text><class-ref scheme="cpc">G09B9/28</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="10" additional-only="false" sort-key="G09B9/12" definition-exists="false" ipc-concordant="G09B9/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Motion systems for aircraft simulators</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G09B9/14" definition-exists="false" ipc-concordant="G09B9/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>controlled by fluid actuated piston or cylinder ram</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="G09B9/16" definition-exists="false" ipc-concordant="G09B9/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ambient or aircraft conditions simulated or indicated by instrument or alarm</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G09B9/165" definition-exists="false" ipc-concordant="G09B9/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/165</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Condition of cabin, cockpit or pilot's accessories</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="G09B9/18" definition-exists="false" ipc-concordant="G09B9/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Condition of engine or fuel supply</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="G09B9/20" definition-exists="false" ipc-concordant="G09B9/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Simulation or indication of aircraft attitude</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G09B9/203" definition-exists="false" ipc-concordant="G09B9/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/203</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for taking-off or landing condition</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="G09B9/206" definition-exists="false" ipc-concordant="G09B9/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/206</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for in-flight condition</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="G09B9/22" definition-exists="false" ipc-concordant="G09B9/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>including aircraft sound simulation</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="G09B9/24" definition-exists="false" ipc-concordant="G09B9/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>including display or recording of simulated flight path</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G09B9/245" definition-exists="false" ipc-concordant="G09B9/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/245</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Simulation of compasses, gyroscopes</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="G09B9/26" definition-exists="false" ipc-concordant="G09B9/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Simulation of radio-navigation</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="G09B9/28" definition-exists="false" ipc-concordant="G09B9/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Simulation of stick forces or the like</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="G09B9/30" definition-exists="false" ipc-concordant="G09B9/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Simulation of view from aircraft</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>When classifying in groups <class-ref scheme="cpc">G09B9/301</class-ref>, <class-ref scheme="cpc">G09B9/302</class-ref>, <class-ref scheme="cpc">G09B9/304</class-ref>, <class-ref scheme="cpc">G09B9/305</class-ref>, classification is also made in other appropriate groups <class-ref scheme="cpc">G09B9/307</class-ref>, <class-ref scheme="cpc">G09B9/308</class-ref>, <class-ref scheme="cpc">G09B9/32</class-ref>, <class-ref scheme="cpc">G09B9/323</class-ref>, <class-ref scheme="cpc">G09B9/326</class-ref>, <class-ref scheme="cpc">G09B9/34</class-ref>, <class-ref scheme="cpc">G09B9/36</class-ref>, <class-ref scheme="cpc">G09B9/38</class-ref> if of interest</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="G09B9/301" definition-exists="false" ipc-concordant="G09B9/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/301</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by computer-processed or -generated image</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="G09B9/302" definition-exists="false" ipc-concordant="G09B9/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/302</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the image being transformed by computer processing, e.g. updating the image to correspond to the changing point of view</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="G09B9/304" definition-exists="false" ipc-concordant="G09B9/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/304</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using a film</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="G09B9/305" definition-exists="false" ipc-concordant="G09B9/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/305</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by viewing with a camera a small-scale model of the terrain</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="G09B9/307" definition-exists="false" ipc-concordant="G09B9/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/307</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by helmet-mounted projector or display </text><reference><text><class-ref scheme="cpc">G09B9/36</class-ref> takes precedence; optical parts of head-up displays <class-ref scheme="cpc">G02B27/01</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="11" additional-only="false" sort-key="G09B9/308" definition-exists="false" ipc-concordant="G09B9/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/308</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by LCD, gas plasma display or electroluminescent display</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="G09B9/32" definition-exists="false" ipc-concordant="G09B9/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by projected image </text><reference><CPC-specific-text><text><class-ref scheme="cpc">G09B9/307</class-ref>,</text></CPC-specific-text><text> <class-ref scheme="cpc">G09B9/36</class-ref> take precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G09B9/323" definition-exists="false" ipc-concordant="G09B9/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/323</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the projection screen being made of LCD panels </text><reference><text><class-ref scheme="cpc">G09B9/307</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="12" additional-only="false" sort-key="G09B9/326" definition-exists="false" ipc-concordant="G09B9/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/326</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the image being transformed by optical 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="11" additional-only="false" sort-key="G09B9/34" definition-exists="false" ipc-concordant="G09B9/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by cathode-ray screen display </text><reference><CPC-specific-text><text><class-ref scheme="cpc">G09B9/307</class-ref>,</text></CPC-specific-text><text> <class-ref scheme="cpc">G09B9/36</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="11" additional-only="false" sort-key="G09B9/36" definition-exists="false" ipc-concordant="G09B9/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Simulation of night or reduced visibility flight</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="G09B9/38" definition-exists="false" ipc-concordant="G09B9/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Simulation of runway outlining or approach lights</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="G09B9/40" definition-exists="false" ipc-concordant="G09B9/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Simulation of airborne radar</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="G09B9/42" definition-exists="false" ipc-concordant="G09B9/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Aircraft, aircraft simulator or means connected thereto, travelling on the ground or water during simulated flight training</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="G09B9/44" definition-exists="false" ipc-concordant="G09B9/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>providing simulation in a real aircraft flying through the atmosphere without restriction of its path</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="G09B9/46" definition-exists="false" ipc-concordant="G09B9/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the aircraft being a helicopter</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="G09B9/48" definition-exists="false" ipc-concordant="G09B9/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>a model being viewed and manoeuvred from a remote point</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="G09B9/50" definition-exists="false" ipc-concordant="G09B9/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Automatically directing the course of the aircraft</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="G09B9/52" definition-exists="false" ipc-concordant="G09B9/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/52</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for teaching control of an outer space vehicle</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="G09B9/54" definition-exists="false" ipc-concordant="G09B9/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Simulation of radar </text><reference><text><class-ref scheme="cpc">G09B9/40</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="G09B9/56" definition-exists="false" ipc-concordant="G09B9/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B9/56</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Simulation of sonar</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="G09B11/00" definition-exists="true" ipc-concordant="G09B11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B11/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Teaching hand-writing, shorthand, drawing, or painting</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09B11/02" definition-exists="false" ipc-concordant="G09B11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B11/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Finger, hand or arm supporting devices</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="G09B11/04" definition-exists="true" ipc-concordant="G09B11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B11/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Guide sheets or plates</text></title-part><title-part><text>Tracing charts </text><reference><text>templets for drawing purposes <class-ref scheme="cpc">B43L13/20</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="G09B11/06" definition-exists="false" ipc-concordant="G09B11/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B11/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Devices involving the use of transparent or translucent tracing material, e.g. copy books</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="G09B11/08" definition-exists="false" ipc-concordant="G09B11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B11/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Teaching shorthand</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="G09B11/10" definition-exists="true" ipc-concordant="G09B11/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B11/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Teaching painting</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="G09B13/00" definition-exists="false" ipc-concordant="G09B13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B13/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Teaching typing</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09B13/02" definition-exists="false" ipc-concordant="G09B13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B13/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Dummy practice keyboard apparatus </text><reference><text>for teaching music <class-ref scheme="cpc">G09B15/08</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="G09B13/04" definition-exists="false" ipc-concordant="G09B13/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B13/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Devices used in association with a real typewriter, teleprinter, or the like</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G09B15/00" definition-exists="true" ipc-concordant="G09B15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B15/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Teaching music </text><reference><text>metronomes <class-ref scheme="cpc">G04F5/02</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="G09B15/001" definition-exists="false" ipc-concordant="G09B15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B15/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Boards or like means for providing an indication of chords</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="G09B15/002" definition-exists="true" ipc-concordant="G09B15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B15/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Electrically operated systems</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="G09B15/003" definition-exists="false" ipc-concordant="G09B15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B15/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with indication of the keys or strings to be played on instruments</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="G09B15/004" definition-exists="false" ipc-concordant="G09B15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B15/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Non-electrically operated systems</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="G09B15/005" definition-exists="false" ipc-concordant="G09B15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B15/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the slide type</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="G09B15/006" definition-exists="false" ipc-concordant="G09B15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B15/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with indication of the keys or strings to be played on instruments</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="G09B15/007" definition-exists="false" ipc-concordant="G09B15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B15/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using disc-shaped boards</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="G09B15/008" definition-exists="false" ipc-concordant="G09B15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B15/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with indication of the keys or strings to be played on instruments</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09B15/009" definition-exists="false" ipc-concordant="G09B15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B15/009</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Transposing devices</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="G09B15/02" definition-exists="false" ipc-concordant="G09B15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B15/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Boards or like means for providing an indication of notes</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09B15/023" definition-exists="false" ipc-concordant="G09B15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B15/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Electrically operated</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="G09B15/026" definition-exists="false" ipc-concordant="G09B15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B15/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Non-electrically operated</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="G09B15/04" definition-exists="true" ipc-concordant="G09B15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B15/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with sound emitters</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="G09B15/06" definition-exists="true" ipc-concordant="G09B15/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B15/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Devices for exercising or strengthening fingers or arms</text></title-part><title-part><text>Devices for holding fingers or arms in a proper position for playing </text><reference><text>for teaching typing <class-ref scheme="cpc">G09B13/00</class-ref>; exercising apparatus for developing or strengthening the muscles for physical training <class-ref scheme="cpc">A63B21/00</class-ref>, <class-ref scheme="cpc">A63B23/00</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="G09B15/08" definition-exists="false" ipc-concordant="G09B15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>G09B15/08</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Practice keyboards </text><reference><text>for teaching typing <class-ref scheme="cpc">G09B13/02</class-ref></text></reference></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G09B17/00" definition-exists="true" ipc-concordant="G09B17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B17/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Teaching reading </text><reference><text>teaching lip-reading <class-ref scheme="cpc">G09B21/00</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="G09B17/003" definition-exists="false" ipc-concordant="G09B17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B17/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>electrically operated apparatus or devices</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09B17/006" definition-exists="false" ipc-concordant="G09B17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B17/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with audible presentation of the material to be studied </text><reference><text>audio and audio-visual teaching apparatus in general <class-ref scheme="cpc">G09B5/04</class-ref>, <class-ref scheme="cpc">G09B5/06</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="G09B17/02" definition-exists="false" ipc-concordant="G09B17/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B17/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Line indicators or other guides or masks</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="G09B17/04" definition-exists="false" ipc-concordant="G09B17/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B17/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for increasing the rate of reading</text></title-part><title-part><text>Reading rate control</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="G09B19/00" definition-exists="true" ipc-concordant="G09B19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B19/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Teaching not covered by other main groups of this subclass </text><reference><text>teaching or practice apparatus for gun-aiming or gun-laying <class-ref scheme="cpc">F41G3/26</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09B19/0007" definition-exists="false" ipc-concordant="G09B19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B19/0007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Signalling</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="G09B19/0015" definition-exists="false" ipc-concordant="G09B19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B19/0015</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Dancing</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="G09B19/0023" definition-exists="true" ipc-concordant="G09B19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B19/0023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Colour matching, recognition, analysis, mixture or the like</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09B19/003" definition-exists="true" ipc-concordant="G09B19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B19/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Repetitive work cycles; Sequence of movements</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="G09B19/0038" definition-exists="false" ipc-concordant="G09B19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B19/0038</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sports</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="G09B19/0046" definition-exists="true" ipc-concordant="G09B19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B19/0046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>History</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="G09B19/0053" definition-exists="true" ipc-concordant="G09B19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B19/0053</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Computers, e.g. programming</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="G09B19/0061" definition-exists="true" ipc-concordant="G09B19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B19/0061</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Geography</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="G09B19/0069" definition-exists="false" ipc-concordant="G09B19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B19/0069</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Engineering, e.g. mechanical, electrical design </text><reference><text>computer engineering <class-ref scheme="cpc">G09B19/0053</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="G09B19/0076" definition-exists="true" ipc-concordant="G09B19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B19/0076</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Body hygiene; Dressing; Knot tying</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="G09B19/0084" definition-exists="false" ipc-concordant="G09B19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B19/0084</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Dental hygiene</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="G09B19/0092" definition-exists="false" ipc-concordant="G09B19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B19/0092</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Nutrition</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="G09B19/02" definition-exists="true" ipc-concordant="G09B19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B19/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Counting</text></title-part><title-part><text>Calculating </text><reference><text>abacus <class-ref scheme="cpc">G06C1/00</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09B19/025" definition-exists="false" ipc-concordant="G09B19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B19/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with electrically operated apparatus or devices</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="G09B19/04" definition-exists="false" ipc-concordant="G09B19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B19/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Speaking </text><reference><text>with audible presentation of the material to be studied <class-ref scheme="cpc">G09B5/04</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="G09B19/06" definition-exists="true" ipc-concordant="G09B19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B19/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Foreign languages </text><reference><text>with audible presentation of material to be studied <class-ref scheme="cpc">G09B5/04</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09B19/08" definition-exists="false" ipc-concordant="G09B19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B19/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Printed or written appliances, e.g. text books, bilingual letter assemblies, charts</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="G09B19/10" definition-exists="true" ipc-concordant="G09B19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B19/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Modelling</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="G09B19/12" definition-exists="false" ipc-concordant="G09B19/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B19/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Clock-reading</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="G09B19/14" definition-exists="false" ipc-concordant="G09B19/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B19/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Traffic procedures, e.g. traffic regulations</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="G09B19/16" definition-exists="true" ipc-concordant="G09B19/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B19/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control of vehicles or other craft </text><reference><text>simulators <class-ref scheme="cpc">G09B9/02</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="G09B19/162" definition-exists="false" ipc-concordant="G09B19/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B19/162</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Control of ships, boats, or other waterborne vehicles</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="G09B19/165" definition-exists="false" ipc-concordant="G09B19/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B19/165</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Control of aircraft</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="G09B19/167" definition-exists="false" ipc-concordant="G09B19/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B19/167</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Control of land vehicles</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="G09B19/18" definition-exists="false" ipc-concordant="G09B19/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B19/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Book-keeping or economics</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="G09B19/20" definition-exists="false" ipc-concordant="G09B19/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B19/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Needlework</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="G09B19/22" definition-exists="false" ipc-concordant="G09B19/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B19/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Games, e.g. card games</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="G09B19/24" definition-exists="false" ipc-concordant="G09B19/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B19/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Use of tools</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09B19/26" definition-exists="false" ipc-concordant="G09B19/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B19/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Dot-and dash telegraphic codes</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="G09B21/00" definition-exists="true" ipc-concordant="G09B21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>G09B21/00</classification-symbol><class-title date-revised="2023-01-01"><title-part><text>Teaching, or communicating with, the blind, deaf or mute </text><reference><text>audible presentation of material to be studied <class-ref scheme="cpc">G09B5/04</class-ref>; devices or methods for replacing direct visual or auditory perception by another kind of perception <class-ref scheme="cpc">A61F9/08</class-ref>, <class-ref scheme="cpc">A61F11/04</class-ref>; audible indication of meter readings or of colour <class-ref scheme="cpc">G01D7/12</class-ref>; watches for blind persons <class-ref scheme="cpc">G04B25/02</class-ref>; speech analysis, speech recognition <class-ref scheme="cpc">G10L</class-ref>; sound-recording or reproducing, <u>per se</u> <class-ref scheme="cpc">G11B</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="G09B21/001" definition-exists="true" ipc-concordant="G09B21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>G09B21/001</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>Teaching or communicating with blind persons </text><reference><text><class-ref scheme="cpc">G09B21/02</class-ref> - <class-ref scheme="cpc">G09B21/06</class-ref> take 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="G09B21/002" definition-exists="false" ipc-concordant="G09B21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B21/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Writing aids for blind persons </text><reference><text>devices for Braille writing <class-ref scheme="cpc">G09B21/02</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="G09B21/003" definition-exists="true" ipc-concordant="G09B21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B21/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using tactile presentation of the information, e.g. Braille displays</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="G09B21/004" definition-exists="false" ipc-concordant="G09B21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B21/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of particular tactile cells, e.g. electro-mechanical or mechanical layout</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="G09B21/005" definition-exists="false" ipc-concordant="G09B21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B21/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of specially-adapted software to access information, e.g. to browse through hyperlinked information</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="G09B21/006" definition-exists="true" ipc-concordant="G09B21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B21/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using audible presentation of the information</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="G09B21/007" definition-exists="false" ipc-concordant="G09B21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B21/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using both tactile and audible presentation of the information</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="G09B21/008" definition-exists="false" ipc-concordant="G09B21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B21/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using visual presentation of the information for the partially sighted</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="G09B21/009" definition-exists="true" ipc-concordant="G09B21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B21/009</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Teaching or communicating with deaf persons </text><reference><text><class-ref scheme="cpc">G09B21/04</class-ref> takes precedence; deaf and dumb persons <class-ref scheme="cpc">G09B21/00</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09B21/02" definition-exists="false" ipc-concordant="G09B21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B21/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Devices for Braille writing </text><reference><text>typewriters for Braille <class-ref scheme="cpc">B41J3/32</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="G09B21/025" definition-exists="false" ipc-concordant="G09B21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B21/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>wherein one tactile input is associated to a single finger</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="G09B21/04" definition-exists="false" ipc-concordant="G09B21/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B21/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Devices for conversing with the deaf-blind</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="G09B21/06" definition-exists="false" ipc-concordant="G09B21/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B21/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Devices for teaching lip-reading</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="G09B23/00" definition-exists="true" ipc-concordant="G09B23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B23/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes </text><reference><text>in the nature of toys <class-ref scheme="cpc">A63H</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="G09B23/02" definition-exists="false" ipc-concordant="G09B23/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B23/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for mathematics </text><reference><text>for statics or dynamics <class-ref scheme="cpc">G09B23/08</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09B23/04" definition-exists="false" ipc-concordant="G09B23/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B23/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for geometry, trigonometry, projection or perspective </text><reference><text>for surveying <class-ref scheme="cpc">G09B25/06</class-ref></text></reference></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09B23/06" definition-exists="false" ipc-concordant="G09B23/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B23/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for physics</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09B23/08" definition-exists="false" ipc-concordant="G09B23/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B23/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for statics or dynamics</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09B23/10" definition-exists="false" ipc-concordant="G09B23/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B23/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of solid bodies</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="G09B23/12" definition-exists="false" ipc-concordant="G09B23/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B23/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of liquids or gases</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="G09B23/14" definition-exists="false" ipc-concordant="G09B23/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B23/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for acoustics</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="G09B23/16" definition-exists="false" ipc-concordant="G09B23/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B23/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for science of heat</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="G09B23/18" definition-exists="false" ipc-concordant="G09B23/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B23/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for electricity or magnetism</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09B23/181" definition-exists="false" ipc-concordant="G09B23/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B23/181</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for electric and magnetic fields; for voltages; for currents</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="G09B23/182" definition-exists="false" ipc-concordant="G09B23/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B23/182</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for components</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="G09B23/183" definition-exists="false" ipc-concordant="G09B23/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B23/183</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for circuits</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="G09B23/185" definition-exists="false" ipc-concordant="G09B23/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B23/185</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for building block 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="G09B23/186" definition-exists="true" ipc-concordant="G09B23/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B23/186</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for digital electronics; for computers, e.g. microprocessors</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="G09B23/187" definition-exists="false" ipc-concordant="G09B23/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B23/187</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for measuring instruments</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09B23/188" definition-exists="false" ipc-concordant="G09B23/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B23/188</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for motors; for generators; for power supplies; for power distribution</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="G09B23/20" definition-exists="false" ipc-concordant="G09B23/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B23/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for atomic physics or neucleonics</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="G09B23/22" definition-exists="false" ipc-concordant="G09B23/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B23/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for optics</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="G09B23/24" definition-exists="false" ipc-concordant="G09B23/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B23/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for chemistry</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="G09B23/26" definition-exists="false" ipc-concordant="G09B23/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B23/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for molecular structures</text></title-part><title-part><text>for crystallography</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="G09B23/28" definition-exists="true" ipc-concordant="G09B23/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B23/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for medicine</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09B23/281" definition-exists="false" ipc-concordant="G09B23/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B23/281</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for pregnancy, birth or obstetrics </text><reference><text><class-ref scheme="cpc">G09B23/286</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="G09B23/283" definition-exists="true" ipc-concordant="G09B23/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B23/283</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for dentistry or oral hygiene </text><reference><text><class-ref scheme="cpc">G09B23/286</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="G09B23/285" definition-exists="true" ipc-concordant="G09B23/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B23/285</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for injections, endoscopy, bronchoscopy, sigmoidscopy, insertion of contraceptive devices or enemas</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="G09B23/286" definition-exists="false" ipc-concordant="G09B23/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B23/286</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for scanning or photography techniques, e.g. X-rays, ultrasonics</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="G09B23/288" definition-exists="true" ipc-concordant="G09B23/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B23/288</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for artificial respiration or heart massage</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="G09B23/30" definition-exists="true" ipc-concordant="G09B23/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>G09B23/30</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>Anatomical models </text><CPC-specific-text><reference><text><class-ref scheme="cpc">G09B23/281</class-ref> - <class-ref scheme="cpc">G09B23/288</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="G09B23/303" definition-exists="false" ipc-concordant="G09B23/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B23/303</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted to simulate circulation of bodily fluids</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="G09B23/306" definition-exists="false" ipc-concordant="G09B23/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B23/306</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising real biological tissue</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="G09B23/32" definition-exists="false" ipc-concordant="G09B23/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B23/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with moving parts</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="G09B23/34" definition-exists="false" ipc-concordant="G09B23/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B23/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with removable parts</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="G09B23/36" definition-exists="false" ipc-concordant="G09B23/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B23/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for zoology</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="G09B23/38" definition-exists="false" ipc-concordant="G09B23/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B23/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for botany</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="G09B23/40" definition-exists="false" ipc-concordant="G09B23/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B23/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for geology</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="G09B25/00" definition-exists="true" ipc-concordant="G09B25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B25/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Models for purposes not provided for in <class-ref scheme="cpc">G09B23/00</class-ref>, e.g. full-sized devices for demonstration purposes </text><reference><text>model vehicles, tracks therefor, models in the nature of toys <class-ref scheme="cpc">A63H</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="G09B25/02" definition-exists="true" ipc-concordant="G09B25/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B25/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of industrial processes</text></title-part><title-part><text>of machinery</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09B25/025" definition-exists="false" ipc-concordant="G09B25/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B25/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>hydraulic; pneumatic</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="G09B25/04" definition-exists="true" ipc-concordant="G09B25/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B25/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of buildings</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="G09B25/06" definition-exists="false" ipc-concordant="G09B25/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B25/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for surveying</text></title-part><title-part><text>for geography, e.g. relief models </text><reference><text>globes <class-ref scheme="cpc">G09B27/00</class-ref>; maps <class-ref scheme="cpc">G09B29/00</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="G09B25/08" definition-exists="false" ipc-concordant="G09B25/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B25/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of scenic effects, e.g. trees, rocks, water surfaces </text><reference><text>for stage purposes <class-ref scheme="cpc">A63J1/00</class-ref></text></reference></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G09B27/00" definition-exists="false" ipc-concordant="G09B27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B27/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Planetaria</text></title-part><title-part><text>Globes</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09B27/02" definition-exists="false" ipc-concordant="G09B27/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B27/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Tellurions</text></title-part><title-part><text>Orreries</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="G09B27/04" definition-exists="false" ipc-concordant="G09B27/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B27/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Star maps</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="G09B27/06" definition-exists="false" ipc-concordant="G09B27/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B27/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Celestial globes</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="G09B27/08" definition-exists="false" ipc-concordant="G09B27/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B27/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Globes </text><reference><text>celestial globes <class-ref scheme="cpc">G09B27/06</class-ref></text></reference></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="G09B29/00" definition-exists="true" ipc-concordant="G09B29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B29/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Maps</text></title-part><title-part><text>Plans</text></title-part><title-part><text>Charts</text></title-part><title-part><text>Diagrams, e.g. route diagram </text><reference><text>star maps <class-ref scheme="cpc">G09B27/04</class-ref>; devices for holding or supporting maps <class-ref scheme="cpc">A47B97/02</class-ref>; for computing purposes <class-ref scheme="cpc">G06G1/14</class-ref>, <class-ref scheme="cpc">G09B1/16</class-ref>; display boards <class-ref scheme="cpc">G09F</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="G09B29/001" definition-exists="true" ipc-concordant="G09B29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B29/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Planning boards</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="G09B29/002" definition-exists="false" ipc-concordant="G09B29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B29/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using magnetic elements</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="G09B29/003" definition-exists="false" ipc-concordant="G09B29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B29/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Maps</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="G09B29/004" definition-exists="false" ipc-concordant="G09B29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B29/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Map manufacture or repair; Tear or ink or water resistant maps; Long-life maps </text><reference><text>printing processes for maps <class-ref scheme="cpc">B41M3/02</class-ref>; by permanently attaching map sections to sheets <class-ref scheme="cpc">B42B7/00</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09B29/005" definition-exists="false" ipc-concordant="G09B29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B29/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Map projections or methods associated specifically therewith</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="G09B29/006" definition-exists="false" ipc-concordant="G09B29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B29/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Representation of non-cartographic information on maps, e.g. population distribution, wind direction, radiation levels, air and sea routes</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="G09B29/007" definition-exists="false" ipc-concordant="G09B29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B29/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using computer methods</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="G09B29/008" definition-exists="false" ipc-concordant="G09B29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B29/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Touring maps or guides to public transport networks</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="G09B29/02" definition-exists="false" ipc-concordant="G09B29/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B29/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>sectional</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09B29/04" definition-exists="false" ipc-concordant="G09B29/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B29/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the sections being arranged in the form of a foldable sheet or sheets</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="G09B29/06" definition-exists="false" ipc-concordant="G09B29/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B29/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of belt form, e.g. endless belt</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09B29/08" definition-exists="false" ipc-concordant="G09B29/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B29/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hanging maps or the like</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09B29/10" definition-exists="true" ipc-concordant="G09B29/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B29/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Map spot or coordinate position indicators</text></title-part><title-part><text>Map reading aids </text><reference><text>optical projection apparatus <u>per se</u> <class-ref scheme="cpc">G03B</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="G09B29/102" definition-exists="false" ipc-concordant="G09B29/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B29/102</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using electrical 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="G09B29/104" definition-exists="false" ipc-concordant="G09B29/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B29/104</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>involving the optical projection of slides, microfilm or the like</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="G09B29/106" definition-exists="false" ipc-concordant="G09B29/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B29/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using electronic 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="G09B29/108" definition-exists="false" ipc-concordant="G09B29/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B29/108</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>involving the optical projection of slides, microfilm or the like</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="G09B29/12" definition-exists="false" ipc-concordant="G09B29/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B29/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Relief maps </text><reference><text>relief models <class-ref scheme="cpc">G09B25/06</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="G09B29/14" definition-exists="false" ipc-concordant="G09B29/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>G09B29/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Local time charts</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></class-scheme> |