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295 lines
181 KiB
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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="C22C" definition-exists="true" date-revised="2021-01-01" status="published"><classification-symbol>C22C</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>ALLOYS </text><reference><text>flints <class-ref scheme="cpc">C06C15/00</class-ref>; treatment of alloys <class-ref scheme="cpc">C21D</class-ref>, <class-ref scheme="cpc">C22F</class-ref></text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>In this subclass, the following terms or expressions are used with the meanings indicated: <subnote type="bullet"><note-paragraph>"alloys" includes also: <subnote type="alpha"><note-paragraph>metallic composite materials containing a substantial proportion of fibres or other somewhat larger particles; </note-paragraph><note-paragraph>ceramic compositions containing free metal bonded to carbides, diamond, oxides, borides, nitrides or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides or sulfides, other than as macroscopic reinforcing agents; </note-paragraph></subnote></note-paragraph><note-paragraph>"based on" requires at least 50% by weight of the specified constituent or of the specified group of constituents.</note-paragraph></subnote></note-paragraph><note-paragraph>Groups <class-ref scheme="cpc">C22C43/00</class-ref> - <class-ref scheme="cpc">C22C49/00</class-ref> take precedence over groups <class-ref scheme="cpc">C22C1/00</class-ref> - <class-ref scheme="cpc">C22C38/00</class-ref>. <br/><CPC-specific-note>This Note corresponds to IPC Note (1) relating to <class-ref scheme="cpc">C22C1/00</class-ref> - <class-ref scheme="cpc">C22C38/00</class-ref>.</CPC-specific-note> </note-paragraph><note-paragraph>In groups <class-ref scheme="cpc">C22C37/00</class-ref> and <class-ref scheme="cpc">C22C38/00</class-ref>, the last place priority rule is applied, i.e. at each hierarchical level, in the absence of an indication to the contrary, an alloy is classified in the last appropriate place that provides for one of the alloying components. <CPC-specific-note>This Note corresponds to IPC Note (1) relating to <class-ref scheme="cpc">C22C37/00</class-ref> - <class-ref scheme="cpc">C22C38/00</class-ref>.</CPC-specific-note></note-paragraph><note-paragraph><CPC-specific-note>In this subclass it is desirable to classify the individual aspects of combinations of processes or materials for powder metallurgy using Combination Sets with symbols chosen from groups <class-ref scheme="cpc">C22C1/00</class-ref> - <class-ref scheme="cpc">C22C43/00</class-ref> or from groups <class-ref scheme="cpc">B22F1/00</class-ref> - <class-ref scheme="cpc">B22F9/00</class-ref>.</CPC-specific-note> </note-paragraph><note-paragraph><CPC-specific-note>In this subclass the special database "ALLOYS" is used. This system includes patent documents classified in groups <class-ref scheme="cpc">C22C1/04</class-ref> and <class-ref scheme="cpc">C22C5/00</class-ref> - <class-ref scheme="cpc">C22C49/14</class-ref> and provides information on the composition of the alloys, their uses and characteristics.</CPC-specific-note></note-paragraph></note><note type="warning"><note-paragraph warning-type="ipc-not-used">The following IPC groups are not in the CPC scheme. The subject matter for these IPC groups is classified in the following CPC groups: <table><row><entry><class-ref scheme="ipc">C22C101/00</class-ref>, <class-ref scheme="ipc">C22C101/20</class-ref></entry><entry> covered by </entry><entry><class-ref scheme="cpc">C04B35/62227</class-ref></entry></row><row><entry><class-ref scheme="ipc">C22C101/02</class-ref></entry><entry> covered by </entry><entry><class-ref scheme="cpc">C04B35/62231</class-ref></entry></row><row><entry><class-ref scheme="ipc">C22C101/04</class-ref></entry><entry> covered by </entry><entry><class-ref scheme="cpc">C04B35/62236</class-ref></entry></row><row><entry><class-ref scheme="ipc">C22C101/06</class-ref></entry><entry> covered by </entry><entry><class-ref scheme="cpc">C04B35/62245</class-ref></entry></row><row><entry><class-ref scheme="ipc">C22C101/08</class-ref></entry><entry> covered by </entry><entry><class-ref scheme="cpc">C04B35/62272</class-ref></entry></row><row><entry><class-ref scheme="ipc">C22C101/10</class-ref></entry><entry> covered by </entry><entry><class-ref scheme="cpc">D01F9/12</class-ref></entry></row><row><entry><class-ref scheme="ipc">C22C101/12</class-ref></entry><entry> covered by </entry><entry><class-ref scheme="cpc">C04B35/62277</class-ref></entry></row><row><entry><class-ref scheme="ipc">C22C101/14</class-ref></entry><entry> covered by </entry><entry><class-ref scheme="cpc">C04B35/62281</class-ref></entry></row><row><entry><class-ref scheme="ipc">C22C101/16</class-ref></entry><entry> covered by </entry><entry><class-ref scheme="cpc">C04B35/62286</class-ref></entry></row><row><entry><class-ref scheme="ipc">C22C101/18</class-ref></entry><entry> covered by </entry><entry><class-ref scheme="cpc">C04B35/62295</class-ref></entry></row><row><entry><class-ref scheme="ipc">C22C101/22</class-ref></entry><entry> covered by </entry><entry><class-ref scheme="cpc">C04B35/6229</class-ref></entry></row><row><entry><class-ref scheme="ipc">C22C111/00</class-ref>-<class-ref scheme="ipc">C22C111/02</class-ref></entry><entry> covered by </entry><entry> <class-ref scheme="cpc">C22C47/00</class-ref>, <class-ref scheme="cpc">C22C49/00</class-ref> </entry></row><row><entry><class-ref scheme="ipc">C22C121/00</class-ref>-<class-ref scheme="ipc">C22C121/02</class-ref></entry><entry> covered by </entry><entry> <class-ref scheme="cpc">C22C47/02</class-ref> - <class-ref scheme="cpc">C22C47/068</class-ref>, <class-ref scheme="cpc">C22C49/00</class-ref> </entry></row></table></note-paragraph><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="C22C1/00" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/00</classification-symbol><class-title date-revised="2023-01-01"><title-part><text>Non-ferrous alloys, i.e. alloys based essentially on metals other than iron</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C22C1/00" definition-exists="true" ipc-concordant="C22C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/00</classification-symbol><class-title date-revised="2023-01-01"><title-part><text>Making non-ferrous alloys </text><reference><text>by electrothermic methods <class-ref scheme="cpc">C22B4/00</class-ref>; by electrolysis <class-ref scheme="cpc">C25C1/24</class-ref>, <class-ref scheme="cpc">C25C3/36</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C22C1/007" definition-exists="false" ipc-concordant="C22C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C1/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Preparing arsenides or antimonides, especially of the III-VI-compound type, e.g. aluminium or gallium arsenide</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="C22C1/02" definition-exists="false" ipc-concordant="C22C1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C1/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by melting </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C22C1/1036</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C22C1/023" definition-exists="false" ipc-concordant="C22C1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C1/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Alloys based on nickel</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="C22C1/026" definition-exists="false" ipc-concordant="C22C1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C1/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Alloys based on aluminium</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="C22C1/03" definition-exists="false" ipc-concordant="C22C1/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C1/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using master alloys</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="C22C1/04" definition-exists="true" ipc-concordant="C22C1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/04</classification-symbol><class-title date-revised="2023-01-01"><title-part><text>by powder metallurgy </text><reference><text><class-ref scheme="cpc">C22C1/08</class-ref> takes precedence</text></reference></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C1/04</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C1/04</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C22C1/0408" definition-exists="false" ipc-concordant="C22C1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/0408</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Light metal alloys</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C1/0408</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C1/0408</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C22C1/0416" definition-exists="false" ipc-concordant="C22C1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/0416</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Aluminium-based alloys</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C1/0416</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C1/0416</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C22C1/0425" definition-exists="false" ipc-concordant="C22C1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/0425</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Copper-based alloys</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C1/0425</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C1/0425</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C22C1/0433" definition-exists="false" ipc-concordant="C22C1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/0433</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Nickel- or cobalt-based alloys</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C1/0433</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C1/0433</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C22C1/0441" definition-exists="false" ipc-concordant="C22C1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/0441</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Alloys based on intermetallic compounds of the type rare earth - Co, Ni</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C1/0441</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C1/0441</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C22C1/045" definition-exists="false" ipc-concordant="C22C1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Alloys based on refractory metals</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C1/045</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C1/045</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C22C1/0458" definition-exists="false" ipc-concordant="C22C1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/0458</classification-symbol><class-title date-revised="2023-01-01"><title-part><CPC-specific-text><text>Alloys based on titanium, zirconium or hafnium</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C1/0458</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C1/0458</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C22C1/0466" definition-exists="false" ipc-concordant="C22C1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/0466</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Alloys based on noble metals</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C1/0466</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C1/0466</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C22C1/047" definition-exists="false" ipc-concordant="C22C1/047" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/047</classification-symbol><class-title date-revised="2023-01-01"><title-part><text>comprising intermetallic compounds </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C22C1/0441</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C1/047</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C1/047</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C22C1/0475" definition-exists="false" ipc-concordant="C22C1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/0475</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Impregnated alloys</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C1/0475</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C1/0475</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C22C1/0483" definition-exists="false" ipc-concordant="C22C1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/0483</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Alloys based on the low melting point metals Zn, Pb, Sn, Cd, In or Ga</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C1/0483</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C1/0483</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C22C1/05" definition-exists="true" ipc-concordant="C22C1/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/05</classification-symbol><class-title date-revised="2023-01-01"><title-part><text>Mixtures of metal powder with non-metallic powder </text><reference><text><class-ref scheme="cpc">C22C1/08</class-ref> takes precedence</text></reference></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C1/05</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C1/05</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C22C1/051" definition-exists="true" ipc-concordant="C22C1/051" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/051</classification-symbol><class-title date-revised="2023-01-01"><title-part><text>Making hard metals based on borides, carbides, nitrides, oxides or silicides</text></title-part><title-part><text>Preparation of the powder mixture used as the starting material therefor</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C22C1/051</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C22C1/058</class-ref>. <br/>Group <class-ref scheme="cpc">C22C1/051</class-ref> is also impacted by reclassification into groups <class-ref scheme="cpc">C22C1/057</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</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="C22C1/053" definition-exists="true" ipc-concordant="C22C1/053" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/053</classification-symbol><class-title date-revised="2023-01-01"><title-part><text>with <u>in situ</u> formation of hard compounds</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C22C1/053</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C22C1/058</class-ref>. <br/>Group <class-ref scheme="cpc">C22C1/053</class-ref> is also impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C1/058</class-ref>, <class-ref scheme="cpc">C22C1/053</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C22C1/055" definition-exists="true" ipc-concordant="C22C1/055" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/055</classification-symbol><class-title date-revised="2023-01-01"><title-part><text>using carbon</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C22C1/055</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C22C1/058</class-ref>. <br/>Group <class-ref scheme="cpc">C22C1/055</class-ref> is also impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C1/058</class-ref>, <class-ref scheme="cpc">C22C1/055</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C22C1/056" definition-exists="true" ipc-concordant="C22C1/056" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/056</classification-symbol><class-title date-revised="2023-01-01"><title-part><text>using gas</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C22C1/056</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C22C1/058</class-ref>. <br/>Group <class-ref scheme="cpc">C22C1/056</class-ref> is also impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C1/058</class-ref>, <class-ref scheme="cpc">C22C1/056</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C22C1/057" definition-exists="true" ipc-concordant="C22C1/057" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/057</classification-symbol><class-title date-revised="2023-01-01"><title-part><text>with <u>in situ</u> formation of phases other than hard compounds by solid state reaction sintering, e.g. metal phase formed by reduction reaction</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C22C1/057</class-ref> is incomplete pending reclassification documents from groups <class-ref scheme="cpc">C22C1/051</class-ref>, <class-ref scheme="cpc">C22C1/058</class-ref>, <class-ref scheme="cpc">C22C1/1078</class-ref>, <class-ref scheme="cpc">C22C1/1084</class-ref> and <class-ref scheme="cpc">C22C1/1089</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C22C1/058" definition-exists="false" ipc-concordant="C22C1/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="frozen"><classification-symbol>C22C1/058</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by reaction sintering (i.e. gasless reaction starting from a mixture of solid metal compounds)</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C1/058</class-ref> is no longer used for the classification of documents as of <reclassification-date>2023-01-01</reclassification-date>. <br/>The content of this group is being reclassified into groups <class-ref scheme="cpc">C22C1/051</class-ref> - <class-ref scheme="cpc">C22C1/057</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C1/058</class-ref>, <class-ref scheme="cpc">C22C1/051</class-ref> - <class-ref scheme="cpc">C22C1/057</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C22C1/059" definition-exists="true" ipc-concordant="C22C1/059" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/059</classification-symbol><class-title date-revised="2023-01-01"><title-part><text>Making alloys comprising less than 5% by weight of dispersed reinforcing phases</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C22C1/059</class-ref> is incomplete pending reclassification documents from groups <class-ref scheme="cpc">C22C1/04</class-ref>, <class-ref scheme="cpc">C22C1/0408</class-ref>, <class-ref scheme="cpc">C22C1/0416</class-ref>, <class-ref scheme="cpc">C22C1/0425</class-ref>, <class-ref scheme="cpc">C22C1/0433</class-ref>, <class-ref scheme="cpc">C22C1/0441</class-ref>, <class-ref scheme="cpc">C22C1/045</class-ref>, <class-ref scheme="cpc">C22C1/0458</class-ref>, <class-ref scheme="cpc">C22C1/0466</class-ref>, <class-ref scheme="cpc">C22C1/047</class-ref>, <class-ref scheme="cpc">C22C1/0475</class-ref>, <class-ref scheme="cpc">C22C1/0483</class-ref>, <class-ref scheme="cpc">C22C1/05</class-ref>, <class-ref scheme="cpc">C22C1/051</class-ref>, <class-ref scheme="cpc">C22C1/053</class-ref>, <class-ref scheme="cpc">C22C1/055</class-ref>, <class-ref scheme="cpc">C22C1/056</class-ref>, <class-ref scheme="cpc">C22C1/058</class-ref>, <class-ref scheme="cpc">C22C1/10</class-ref>, <class-ref scheme="cpc">C22C1/1005</class-ref>, <class-ref scheme="cpc">C22C1/101</class-ref>, <class-ref scheme="cpc">C22C1/1015</class-ref>, <class-ref scheme="cpc">C22C1/1021</class-ref>, <class-ref scheme="cpc">C22C1/1026</class-ref>, <class-ref scheme="cpc">C22C1/1031</class-ref>, <class-ref scheme="cpc">C22C1/1036</class-ref>, <class-ref scheme="cpc">C22C1/1042</class-ref>, <class-ref scheme="cpc">C22C1/1047</class-ref>, <class-ref scheme="cpc">C22C1/1052</class-ref>, <class-ref scheme="cpc">C22C1/1057</class-ref>, <class-ref scheme="cpc">C22C1/1063</class-ref>, <class-ref scheme="cpc">C22C1/1068</class-ref>, <class-ref scheme="cpc">C22C1/1073</class-ref>, <class-ref scheme="cpc">C22C1/1078</class-ref>, <class-ref scheme="cpc">C22C1/1084</class-ref>, <class-ref scheme="cpc">C22C1/1089</class-ref>, <class-ref scheme="cpc">C22C1/1094</class-ref> and <class-ref scheme="cpc">C22C32/00</class-ref> and all its subgroups.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></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="C22C1/06" definition-exists="false" ipc-concordant="C22C1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C1/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with the use of special agents for refining or deoxidising</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="C22C1/08" definition-exists="true" ipc-concordant="C22C1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/08</classification-symbol><class-title date-revised="2023-01-01"><title-part><text>Alloys with open or closed pores</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C22C1/081" definition-exists="false" ipc-concordant="C22C1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/081</classification-symbol><class-title date-revised="2023-01-01"><title-part><CPC-specific-text><text>Casting porous metals into porous preform skeleton without foaming</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="C22C1/082" definition-exists="false" ipc-concordant="C22C1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/082</classification-symbol><class-title date-revised="2023-01-01"><title-part><CPC-specific-text><text>with removal of the preform</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="C22C1/083" definition-exists="false" ipc-concordant="C22C1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/083</classification-symbol><class-title date-revised="2023-01-01"><title-part><CPC-specific-text><text>Foaming process in molten metal other than by powder metallurgy</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="C22C1/085" definition-exists="false" ipc-concordant="C22C1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/085</classification-symbol><class-title date-revised="2023-01-01"><title-part><CPC-specific-text><text>with external pressure or pressure buildup to make porous metals</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="C22C1/086" definition-exists="false" ipc-concordant="C22C1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/086</classification-symbol><class-title date-revised="2023-01-01"><title-part><CPC-specific-text><text>Gas foaming process</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="C22C1/087" definition-exists="false" ipc-concordant="C22C1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/087</classification-symbol><class-title date-revised="2023-01-01"><title-part><CPC-specific-text><text>after casting in solidified or solidifying metal to make porous metals</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="C22C1/088" definition-exists="false" ipc-concordant="C22C1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/088</classification-symbol><class-title date-revised="2023-01-01"><title-part><CPC-specific-text><text>Foaming process with solid metal other than by powder metallurgy</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="C22C1/10" definition-exists="true" ipc-concordant="C22C1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/10</classification-symbol><class-title date-revised="2023-01-01"><title-part><text>Alloys containing non-metals </text><reference><text><class-ref scheme="cpc">C22C1/05</class-ref>, <class-ref scheme="cpc">C22C1/08</class-ref> take precedence</text></reference></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C1/10</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C1/10</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C22C1/1005" definition-exists="false" ipc-concordant="C22C1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/1005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pretreatment of the non-metallic additives </text><reference><text>pretreatment of non-metallic fibres <class-ref scheme="cpc">C22C47/02</class-ref></text></reference></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C1/1005</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C1/1005</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C22C1/101" definition-exists="false" ipc-concordant="C22C1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/101</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by coating</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C1/101</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C1/101</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C22C1/1015" definition-exists="false" ipc-concordant="C22C1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/1015</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by preparing or treating a non-metallic additive preform</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C1/1015</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C1/1015</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</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="C22C1/1021" definition-exists="false" ipc-concordant="C22C1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/1021</classification-symbol><class-title date-revised="2023-01-01"><title-part><CPC-specific-text><text>the preform being ceramic</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C1/1021</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>. <br/>Groups <class-ref scheme="cpc">C22C1/1021</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></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="C22C1/1026" definition-exists="false" ipc-concordant="C22C1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/1026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>starting from a solution or a suspension of (a) compound(s) of at least one of the alloy constituents</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C1/1026</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C1/1026</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C22C1/1031" definition-exists="false" ipc-concordant="C22C1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/1031</classification-symbol><class-title date-revised="2023-01-01"><title-part><CPC-specific-text><text>starting from gaseous compounds or vapours of at least one of the constituents</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C1/1031</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>. <br/>Groups <class-ref scheme="cpc">C22C1/1031</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C22C1/1036" definition-exists="false" ipc-concordant="C22C1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/1036</classification-symbol><class-title date-revised="2023-01-01"><title-part><CPC-specific-text><text>starting from a melt</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C1/1036</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>. <br/>Groups <class-ref scheme="cpc">C22C1/1036</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C22C1/1042" definition-exists="false" ipc-concordant="C22C1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/1042</classification-symbol><class-title date-revised="2023-01-01"><title-part><CPC-specific-text><text>by atomising</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C1/1042</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C1/1042</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C22C1/1047" definition-exists="false" ipc-concordant="C22C1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/1047</classification-symbol><class-title date-revised="2023-01-01"><title-part><CPC-specific-text><text>by mixing and casting liquid metal matrix composites</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C1/1047</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C1/1047</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</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="C22C1/1052" definition-exists="false" ipc-concordant="C22C1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/1052</classification-symbol><class-title date-revised="2023-01-01"><title-part><CPC-specific-text><text>by mixing and casting metal matrix composites with reaction</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C1/1052</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C1/1052</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C22C1/1057" definition-exists="false" ipc-concordant="C22C1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/1057</classification-symbol><class-title date-revised="2023-01-01"><title-part><CPC-specific-text><text>Reactive infiltration</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C1/1057</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C1/1057</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</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="C22C1/1063" definition-exists="false" ipc-concordant="C22C1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/1063</classification-symbol><class-title date-revised="2023-01-01"><title-part><CPC-specific-text><text>Gas reaction, e.g. lanxide</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C1/1063</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C1/1063</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search. </note-paragraph></note></notes-and-warnings></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C22C1/1068" definition-exists="false" ipc-concordant="C22C1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/1068</classification-symbol><class-title date-revised="2023-01-01"><title-part><CPC-specific-text><text>Making hard metals based on borides, carbides, nitrides, oxides or silicides</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C1/1068</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C1/1068</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C22C1/1073" definition-exists="false" ipc-concordant="C22C1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/1073</classification-symbol><class-title date-revised="2023-01-01"><title-part><CPC-specific-text><text>Infiltration or casting under mechanical pressure, e.g. squeeze casting</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C1/1073</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C1/1073</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C22C1/1078" definition-exists="false" ipc-concordant="C22C1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/1078</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by internal oxidation of material in solid state</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C1/1078</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">C22C1/057</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C1/1078</class-ref>, <class-ref scheme="cpc">C22C1/057</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C22C1/1084" definition-exists="false" ipc-concordant="C22C1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/1084</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by mechanical alloying (blending, milling)</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C1/1084</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">C22C1/057</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C1/1084</class-ref>, <class-ref scheme="cpc">C22C1/057</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C22C1/1089" definition-exists="false" ipc-concordant="C22C1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/1089</classification-symbol><class-title date-revised="2023-01-01"><title-part><CPC-specific-text><text>by partial reduction or decomposition of a solid metal compound</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C1/1089</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">C22C1/057</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C1/1089</class-ref>, <class-ref scheme="cpc">C22C1/057</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C22C1/1094" definition-exists="false" ipc-concordant="C22C1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/1094</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising an after-treatment</text></CPC-specific-text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>Documents classified in group <class-ref scheme="cpc">C22C1/1094</class-ref> are also classified in subclass <class-ref scheme="cpc">C22F</class-ref></note-paragraph></note><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C1/1094</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C1/1094</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C22C1/11" definition-exists="false" ipc-concordant="C22C1/11" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/11</classification-symbol><class-title date-revised="2023-01-01"><title-part><text>Making amorphous alloys</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="C22C1/12" definition-exists="false" ipc-concordant="C22C1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C1/12</classification-symbol><class-title date-revised="2023-01-01"><title-part><text>by processing in a semi-solid state, e.g. holding the alloy in the solid-liquid phase</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="C22C3/00" definition-exists="true" ipc-concordant="C22C3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C3/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Removing material from alloys to produce alloys of different constitution </text><CPC-specific-text><text>separation of the constituents of alloys</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C22C3/005" definition-exists="false" ipc-concordant="C22C3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C3/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Separation of the constituents of alloys</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C22C5/00" definition-exists="true" ipc-concordant="C22C5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C5/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alloys based on noble metals</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C22C5/02" definition-exists="false" ipc-concordant="C22C5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C5/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alloys based on gold</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="C22C5/04" definition-exists="false" ipc-concordant="C22C5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C5/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alloys based on a platinum group metal</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="C22C5/06" definition-exists="false" ipc-concordant="C22C5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C5/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alloys based on silver</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C22C5/08" definition-exists="false" ipc-concordant="C22C5/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-02-01" status="published"><classification-symbol>C22C5/08</classification-symbol><class-title date-revised="2017-02-01"><title-part><text>with copper as the next major constituent</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="C22C5/10" definition-exists="false" ipc-concordant="C22C5/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C5/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with cadmium as the next major constituent</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="C22C7/00" definition-exists="true" ipc-concordant="C22C7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C7/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alloys based on mercury</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C22C9/00" definition-exists="true" ipc-concordant="C22C9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C9/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alloys based on copper</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C22C9/01" definition-exists="false" ipc-concordant="C22C9/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C9/01</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with aluminium as the next major constituent</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="C22C9/02" definition-exists="false" ipc-concordant="C22C9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C9/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with tin as the next major constituent</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="C22C9/04" definition-exists="false" ipc-concordant="C22C9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C9/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with zinc as the next major constituent</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="C22C9/05" definition-exists="false" ipc-concordant="C22C9/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>C22C9/05</classification-symbol><class-title date-revised="2016-11-01"><title-part><text>with manganese as the next major constituent</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="C22C9/06" definition-exists="false" ipc-concordant="C22C9/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C9/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with nickel or cobalt as the next major constituent</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="C22C9/08" definition-exists="false" ipc-concordant="C22C9/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C9/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with lead as the next major constituent</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="C22C9/10" definition-exists="false" ipc-concordant="C22C9/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C9/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with silicon as the next major constituent</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="C22C11/00" definition-exists="true" ipc-concordant="C22C11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C11/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alloys based on lead</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C22C11/02" definition-exists="false" ipc-concordant="C22C11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C11/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with an alkali or an alkaline earth metal as the next major constituent</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="C22C11/04" definition-exists="false" ipc-concordant="C22C11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C11/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with copper as the next major constituent</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="C22C11/06" definition-exists="false" ipc-concordant="C22C11/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C11/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with tin as the next major constituent</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="C22C11/08" definition-exists="false" ipc-concordant="C22C11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C11/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with antimony or bismuth as the next major constituent</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C22C11/10" definition-exists="false" ipc-concordant="C22C11/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C11/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with tin</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="C22C12/00" definition-exists="true" ipc-concordant="C22C12/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C12/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alloys based on antimony or bismuth</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C22C13/00" definition-exists="true" ipc-concordant="C22C13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C13/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alloys based on tin</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C22C13/02" definition-exists="false" ipc-concordant="C22C13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C13/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with antimony or bismuth as the next major constituent</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="C22C14/00" definition-exists="true" ipc-concordant="C22C14/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C14/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alloys based on titanium</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C22C16/00" definition-exists="true" ipc-concordant="C22C16/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C16/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alloys based on zirconium</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C22C18/00" definition-exists="true" ipc-concordant="C22C18/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C18/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alloys based on zinc</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C22C18/02" definition-exists="false" ipc-concordant="C22C18/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C18/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with copper as the next major constituent</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="C22C18/04" definition-exists="false" ipc-concordant="C22C18/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C18/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with aluminium as the next major constituent</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="C22C19/00" definition-exists="true" ipc-concordant="C22C19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C19/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alloys based on nickel or cobalt</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C22C19/002" definition-exists="false" ipc-concordant="C22C19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C19/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with copper as the next major constituent</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="C22C19/005" definition-exists="false" ipc-concordant="C22C19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-11-05" status="published"><classification-symbol>C22C19/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with Manganese as the next major constituent</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="C22C19/007" definition-exists="false" ipc-concordant="C22C19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C19/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a light metal (alkali metal Li, Na, K, Rb, Cs; earth alkali metal Be, Mg, Ca, Sr, Ba, Al Ga, Ge, Ti) or B, Si, Zr, Hf, Sc, Y, lanthanides, actinides, as the next major constituent</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="C22C19/03" definition-exists="false" ipc-concordant="C22C19/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C19/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>based on nickel</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C22C19/05" definition-exists="false" ipc-concordant="C22C19/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C19/05</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with chromium</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C22C19/051" definition-exists="false" ipc-concordant="C22C19/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C19/051</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>and Mo or W</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="C22C19/052" definition-exists="false" ipc-concordant="C22C19/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C19/052</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with the maximum Cr content being at least 40%</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="C22C19/053" definition-exists="false" ipc-concordant="C22C19/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C19/053</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with the maximum Cr content being at least 30% but less than 40%</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="C22C19/055" definition-exists="false" ipc-concordant="C22C19/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C19/055</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with the maximum Cr content being at least 20% but less than 30%</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="C22C19/056" definition-exists="false" ipc-concordant="C22C19/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C19/056</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with the maximum Cr content being at least 10% but less than 20%</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="C22C19/057" definition-exists="false" ipc-concordant="C22C19/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C19/057</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with the maximum Cr content being less 10%</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="C22C19/058" definition-exists="false" ipc-concordant="C22C19/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C19/058</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>without Mo and W</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="C22C19/07" definition-exists="false" ipc-concordant="C22C19/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C19/07</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>based on cobalt</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="C22C20/00" definition-exists="true" ipc-concordant="C22C20/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C20/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alloys based on cadmium</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C22C21/00" definition-exists="true" ipc-concordant="C22C21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C22C21/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alloys based on aluminium</text></title-part></class-title><notes-and-warnings><note type="note"><note-paragraph>In groups <class-ref scheme="cpc">C22C21/14</class-ref> - <class-ref scheme="cpc">C22C21/18</class-ref>, the last place priority rule is applied, i.e. at each hierarchical level, in the absence of an indication to the contrary, an alloy is classified in the last appropriate place.<br/><CPC-specific-note>This Note corresponds to IPC Note (1) relating to <class-ref scheme="cpc">C22C21/14</class-ref> - <class-ref scheme="cpc">C22C21/18</class-ref>.</CPC-specific-note></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="C22C21/003" definition-exists="false" ipc-concordant="C22C21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>C22C21/003</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>containing at least 2.6% of one or more of the elements: tin, lead, antimony, bismuth, cadmium, and titanium</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="C22C21/006" definition-exists="false" ipc-concordant="C22C21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C21/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing Hg</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="C22C21/02" definition-exists="false" ipc-concordant="C22C21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C21/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with silicon as the next major constituent</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C22C21/04" definition-exists="false" ipc-concordant="C22C21/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C21/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Modified aluminium-silicon alloys</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="C22C21/06" definition-exists="false" ipc-concordant="C22C21/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C21/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with magnesium as the next major constituent</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C22C21/08" definition-exists="false" ipc-concordant="C22C21/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C21/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with silicon</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="C22C21/10" definition-exists="false" ipc-concordant="C22C21/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C21/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with zinc as the next major constituent</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="C22C21/12" definition-exists="false" ipc-concordant="C22C21/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C21/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with copper as the next major constituent</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C22C21/14" definition-exists="false" ipc-concordant="C22C21/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C21/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with silicon</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="C22C21/16" definition-exists="false" ipc-concordant="C22C21/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C21/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with magnesium</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="C22C21/18" definition-exists="false" ipc-concordant="C22C21/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C21/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with zinc</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="C22C22/00" definition-exists="true" ipc-concordant="C22C22/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C22/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alloys based on manganese</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C22C23/00" definition-exists="true" ipc-concordant="C22C23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C23/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alloys based on magnesium</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C22C23/02" definition-exists="false" ipc-concordant="C22C23/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C23/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with aluminium as the next major constituent</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="C22C23/04" definition-exists="false" ipc-concordant="C22C23/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C23/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with zinc or cadmium as the next major constituent</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="C22C23/06" definition-exists="false" ipc-concordant="C22C23/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C23/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with a rare earth metal as the next major constituent</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="C22C24/00" definition-exists="true" ipc-concordant="C22C24/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C24/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alloys based on an alkali or an alkaline earth metal</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C22C25/00" definition-exists="true" ipc-concordant="C22C25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C25/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alloys based on beryllium</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C22C26/00" definition-exists="true" ipc-concordant="C22C26/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C26/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alloys containing diamond </text><CPC-specific-text><text>or cubic or wurtzitic boron nitride, fullerenes or carbon nanotubes</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C22C26/001" definition-exists="false" ipc-concordant="C22C26/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C2026/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fullerenes</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C22C26/002" definition-exists="false" ipc-concordant="C22C26/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C2026/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Carbon nanotubes</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C22C26/003" definition-exists="false" ipc-concordant="C22C26/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C2026/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cubic boron nitrides only</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C22C26/005" definition-exists="false" ipc-concordant="C22C26/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C2026/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with additional metal compounds being borides</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C22C26/006" definition-exists="false" ipc-concordant="C22C26/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C2026/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with additional metal compounds being carbides</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C22C26/007" definition-exists="false" ipc-concordant="C22C26/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C2026/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with additional metal compounds being nitrides</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C22C26/008" definition-exists="false" ipc-concordant="C22C26/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C2026/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with additional metal compounds other than carbides, borides or nitrides</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C22C27/00" definition-exists="true" ipc-concordant="C22C27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C27/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alloys based on rhenium or a refractory metal not mentioned in groups <class-ref scheme="cpc">C22C14/00</class-ref> or <class-ref scheme="cpc">C22C16/00</class-ref></text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C22C27/02" definition-exists="false" ipc-concordant="C22C27/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C27/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alloys based on vanadium, niobium, or tantalum</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C22C27/025" definition-exists="false" ipc-concordant="C22C27/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C27/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>alloys based on vanadium</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="C22C27/04" definition-exists="false" ipc-concordant="C22C27/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C27/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alloys based on tungsten or molybdenum</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="C22C27/06" definition-exists="false" ipc-concordant="C22C27/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C27/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alloys based on chromium</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="C22C28/00" definition-exists="true" ipc-concordant="C22C28/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>C22C28/00</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>Alloys based on a metal not provided for in groups <class-ref scheme="cpc">C22C5/00</class-ref> - <class-ref scheme="cpc">C22C27/00</class-ref></text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C22C29/00" definition-exists="true" ipc-concordant="C22C29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C29/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alloys based on carbides, oxides, nitrides, borides, or silicides, e.g. cermets, or other metal compounds, e.g. oxynitrides, sulfides </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C22C26/00</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C22C29/005" definition-exists="false" ipc-concordant="C22C29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C29/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising a particular metallic binder</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="C22C29/02" definition-exists="false" ipc-concordant="C22C29/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C29/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>based on carbides or carbonitrides</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C22C29/04" definition-exists="false" ipc-concordant="C22C29/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C29/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>based on carbonitrides</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="C22C29/06" definition-exists="false" ipc-concordant="C22C29/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C29/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>based on carbides, but not containing other metal compounds</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C22C29/062" definition-exists="false" ipc-concordant="C22C29/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>C22C29/062</classification-symbol><class-title date-revised="2016-08-01"><title-part><CPC-specific-text><text>based on B<sub>4</sub>C</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="C22C29/065" definition-exists="false" ipc-concordant="C22C29/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C29/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>based on SiC</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="C22C29/067" definition-exists="false" ipc-concordant="C22C29/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C29/067</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising a particular metallic binder</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="C22C29/08" definition-exists="false" ipc-concordant="C22C29/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C29/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>based on tungsten carbide</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="C22C29/10" definition-exists="false" ipc-concordant="C22C29/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C29/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>based on titanium carbide</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="C22C29/12" definition-exists="false" ipc-concordant="C22C29/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C29/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>based on oxides</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="C22C29/14" definition-exists="false" ipc-concordant="C22C29/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C29/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>based on borides</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="C22C29/16" definition-exists="false" ipc-concordant="C22C29/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C29/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>based on nitrides </text><CPC-specific-text><reference><text>containing cubic BN or wurtzitic BN and diamond <class-ref scheme="cpc">C22C26/00</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="C22C29/18" definition-exists="false" ipc-concordant="C22C29/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C29/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>based on silicides</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="C22C30/00" definition-exists="true" ipc-concordant="C22C30/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C22C30/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alloys containing less than 50% by weight of each constituent</text></title-part></class-title><notes-and-warnings><note type="note"><note-paragraph>In groups <class-ref scheme="cpc">C22C30/02</class-ref> - <class-ref scheme="cpc">C22C30/06</class-ref>, the last place priority rule is applied, i.e. at each hierarchical level, in the absence of an indication to the contrary, an alloy is classified in the last appropriate place. <br/><CPC-specific-note>This Note corresponds to IPC Note (1) relating to <class-ref scheme="cpc">C22C30/02</class-ref> - <class-ref scheme="cpc">C22C30/06</class-ref>.</CPC-specific-note></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="C22C30/02" definition-exists="false" ipc-concordant="C22C30/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C30/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing copper</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="C22C30/04" definition-exists="false" ipc-concordant="C22C30/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C30/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing tin or lead</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="C22C30/06" definition-exists="false" ipc-concordant="C22C30/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C30/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing zinc</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="C22C32/00" definition-exists="true" ipc-concordant="C22C32/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C32/00</classification-symbol><class-title date-revised="2023-01-01"><title-part><text>Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed <u>in situ</u></text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>This group comprises also dispersion hardened alloys with less than 5% of dispersed compounds</note-paragraph></note><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C32/00</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C32/00</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</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="C22C32/0005" definition-exists="false" ipc-concordant="C22C32/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C32/0005</classification-symbol><class-title date-revised="2023-01-01"><title-part><CPC-specific-text><text>with at least one oxide and at least one of carbides, nitrides, borides or silicides as the main non-metallic constituents</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C32/0005</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C32/0005</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C22C32/001" definition-exists="false" ipc-concordant="C22C32/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C32/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with only oxides</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Groups <class-ref scheme="cpc">C22C32/001</class-ref>, <class-ref scheme="cpc">C22C32/0015</class-ref> and <class-ref scheme="cpc">C22C32/0021</class-ref> are impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C22C32/0015" definition-exists="false" ipc-concordant="C22C32/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-07-01" status="published"><classification-symbol>C22C32/0015</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with only single oxides as main non-metallic constituents</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="C22C32/0021" definition-exists="false" ipc-concordant="C22C32/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-07-01" status="published"><classification-symbol>C22C32/0021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Matrix based on noble metals, Cu or alloys thereof</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="C22C32/0026" definition-exists="false" ipc-concordant="C22C32/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C32/0026</classification-symbol><class-title date-revised="2023-01-01"><title-part><CPC-specific-text><text>Matrix based on Ni, Co, Cr or alloys thereof</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C32/0026</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">C22C1/059</class-ref> and <class-ref scheme="cpc">C22C33/0261</class-ref>. <br/>Groups <class-ref scheme="cpc">C22C32/0026</class-ref>, <class-ref scheme="cpc">C22C1/059</class-ref> and <class-ref scheme="cpc">C22C33/0261</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C22C32/0031" definition-exists="false" ipc-concordant="C22C32/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C32/0031</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Matrix based on refractory metals, W, Mo, Nb, Hf, Ta, Zr, Ti, V or alloys thereof</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C32/0031</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C32/0031</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C22C32/0036" definition-exists="false" ipc-concordant="C22C32/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C32/0036</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Matrix based on Al, Mg, Be or alloys thereof</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C32/0036</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C32/0036</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C22C32/0042" definition-exists="false" ipc-concordant="C22C32/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C32/0042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Matrix based on low melting metals, Pb, Sn, In, Zn, Cd or alloys thereof</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C32/0042</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C32/0042</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></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="C22C32/0047" definition-exists="false" ipc-concordant="C22C32/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C32/0047</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with carbides, nitrides, borides or silicides as the main non-metallic constituents</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Groups <class-ref scheme="cpc">C22C32/0047</class-ref>, <class-ref scheme="cpc">C22C32/0052</class-ref>, <class-ref scheme="cpc">C22C32/0057</class-ref>, <class-ref scheme="cpc">C22C32/0063</class-ref>, <class-ref scheme="cpc">C22C32/0068</class-ref>, <class-ref scheme="cpc">C22C32/0073</class-ref> and <class-ref scheme="cpc">C22C32/0078</class-ref> are impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C22C32/0052" definition-exists="false" ipc-concordant="C22C32/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C32/0052</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>only carbides</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="C22C32/0057" definition-exists="false" ipc-concordant="C22C32/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>C22C32/0057</classification-symbol><class-title date-revised="2016-08-01"><title-part><CPC-specific-text><text>based on B<sub>4</sub>C</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="C22C32/0063" definition-exists="false" ipc-concordant="C22C32/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C32/0063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>based on SiC</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="C22C32/0068" definition-exists="false" ipc-concordant="C22C32/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C32/0068</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>only nitrides</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="C22C32/0073" definition-exists="false" ipc-concordant="C22C32/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C32/0073</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>only borides</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="C22C32/0078" definition-exists="false" ipc-concordant="C22C32/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C32/0078</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>only silicides</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="C22C32/0084" definition-exists="false" ipc-concordant="C22C32/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C32/0084</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>carbon or graphite as the main non-metallic constituent</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C32/0084</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>. <br/>Groups <class-ref scheme="cpc">C22C32/0084</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C22C32/0089" definition-exists="false" ipc-concordant="C22C32/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C32/0089</classification-symbol><class-title date-revised="2015-10-01"><title-part><CPC-specific-text><text>with other, not previously mentioned inorganic compounds as the main non-metallic constituent, e.g. sulfides, glass</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C32/0089</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C32/0089</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C22C32/0094" definition-exists="false" ipc-concordant="C22C32/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C32/0094</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with organic materials as the main non-metallic constituent, e.g. resin</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C22C32/0094</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">C22C1/059</class-ref>. <br/>Groups <class-ref scheme="cpc">C22C32/0094</class-ref> and <class-ref scheme="cpc">C22C1/059</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="C22C33/00" date-revised="2023-01-01" status="published"><classification-symbol>C22C33/00</classification-symbol><class-title date-revised="2023-01-01"><title-part><text>Ferrous alloys, i.e. alloys based on iron</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C22C33/00" definition-exists="true" ipc-concordant="C22C33/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C33/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Making ferrous alloys</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C22C33/003" definition-exists="false" ipc-concordant="C22C33/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C33/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>making amorphous alloys</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="C22C33/006" definition-exists="false" ipc-concordant="C22C33/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C33/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>compositions used for making ferrous alloys</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="C22C33/02" definition-exists="true" ipc-concordant="C22C33/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C33/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by powder metallurgy </text><reference><text>working metallic powder <class-ref scheme="cpc">B22F</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="C22C33/0207" definition-exists="false" ipc-concordant="C22C33/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C22C33/0207</classification-symbol><class-title date-revised="2022-01-01"><title-part><CPC-specific-text><text>Using a mixture of prealloyed powders or a master alloy </text><reference><text>mixtures of metal powder in general <class-ref scheme="cpc">B22F1/09</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C22C33/0214" definition-exists="false" ipc-concordant="C22C33/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C33/0214</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising P or a phosphorus compound</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="C22C33/0221" definition-exists="false" ipc-concordant="C22C33/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C33/0221</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising S or a sulfur compound</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="C22C33/0228" definition-exists="false" ipc-concordant="C22C33/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C33/0228</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising other non-metallic compounds or more than 5% of graphite</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="C22C33/0235" definition-exists="false" ipc-concordant="C22C33/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C33/0235</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Starting from compounds, e.g. oxides </text><reference><text>manufacture of articles starting from powder comprising reducible metal compounds in general <class-ref scheme="cpc">B22F3/001</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="C22C33/0242" definition-exists="false" ipc-concordant="C22C33/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C33/0242</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using the impregnating technique </text><reference><text>impregnating articles in general <class-ref scheme="cpc">B22F3/26</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="C22C33/025" definition-exists="false" ipc-concordant="C22C33/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C33/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having an intermetallic of the REM-Fe type which is not magnetic</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="C22C33/0257" definition-exists="false" ipc-concordant="C22C33/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C33/0257</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the range of the alloying elements</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="C22C33/0261" definition-exists="false" ipc-concordant="C22C33/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C33/0261</classification-symbol><class-title date-revised="2023-01-01"><title-part><CPC-specific-text><text>Matrix based on Fe for ODS steels</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C22C33/0261</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C22C32/0026</class-ref>.<br/>Groups <class-ref scheme="cpc">C22C32/0026</class-ref> and <class-ref scheme="cpc">C22C33/0261</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C22C33/0264" definition-exists="false" ipc-concordant="C22C33/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C33/0264</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the maximum content of each alloying element not exceeding 5%</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="C22C33/0271" definition-exists="false" ipc-concordant="C22C33/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C33/0271</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with only C, Mn, Si, P, S, As as alloying elements, e.g. carbon steel</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="C22C33/0278" definition-exists="false" ipc-concordant="C22C33/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C33/0278</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with at least one alloying element having a minimum content above 5%</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="C22C33/0285" definition-exists="false" ipc-concordant="C22C33/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C33/0285</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with Cr, Co, or Ni having a minimum content higher than 5%</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="C22C33/0292" definition-exists="false" ipc-concordant="C22C33/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C33/0292</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with more than 5% preformed carbides, nitrides or borides</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="C22C33/04" definition-exists="false" ipc-concordant="C22C33/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C33/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by melting</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C22C33/06" definition-exists="false" ipc-concordant="C22C33/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C33/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using master alloys</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="C22C33/08" definition-exists="false" ipc-concordant="C22C33/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C33/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Making cast-iron alloys</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C22C33/10" definition-exists="false" ipc-concordant="C22C33/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C33/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>including procedures for adding magnesium</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C22C33/12" definition-exists="false" ipc-concordant="C22C33/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C33/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by fluidised injection</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="C22C35/00" definition-exists="true" ipc-concordant="C22C35/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C35/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Master alloys for iron or steel</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C22C35/005" definition-exists="false" ipc-concordant="C22C35/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C22C35/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>based on iron, e.g. ferro-alloys</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C22C37/00" definition-exists="true" ipc-concordant="C22C37/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C37/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cast-iron alloys</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C22C37/04" definition-exists="false" ipc-concordant="C22C37/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C37/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing spheroidal graphite</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="C22C37/06" definition-exists="false" ipc-concordant="C22C37/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C37/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing chromium</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C22C37/08" definition-exists="false" ipc-concordant="C22C37/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C37/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with nickel</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="C22C37/10" definition-exists="false" ipc-concordant="C22C37/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C37/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing aluminium or silicon</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="C22C38/00" definition-exists="true" ipc-concordant="C22C38/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C38/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ferrous alloys, e.g. steel alloys </text><reference><text>cast-iron alloys <class-ref scheme="cpc">C22C37/00</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="C22C38/001" definition-exists="false" ipc-concordant="C22C38/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C38/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing N</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="C22C38/002" definition-exists="false" ipc-concordant="C22C38/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>C22C38/002</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>containing In, Mg, or other elements not provided for in one single group <class-ref scheme="cpc">C22C38/001</class-ref> - <class-ref scheme="cpc">C22C38/60</class-ref></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="C22C38/004" definition-exists="false" ipc-concordant="C22C38/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C38/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Very low carbon steels, i.e. having a carbon content of less than 0,01%</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="C22C38/005" definition-exists="false" ipc-concordant="C22C38/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C38/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing rare earths, i.e. Sc, Y, Lanthanides</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="C22C38/007" definition-exists="false" ipc-concordant="C22C38/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C38/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing silver</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="C22C38/008" definition-exists="false" ipc-concordant="C22C38/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C38/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing tin</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="C22C38/02" definition-exists="false" ipc-concordant="C22C38/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C38/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing silicon</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="C22C38/04" definition-exists="false" ipc-concordant="C22C38/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C38/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing manganese</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="C22C38/06" definition-exists="false" ipc-concordant="C22C38/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C38/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing aluminium</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="C22C38/08" definition-exists="false" ipc-concordant="C22C38/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-09-01" status="published"><classification-symbol>C22C38/08</classification-symbol><class-title date-revised="2015-09-01"><title-part><text>containing nickel </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C22C38/105</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C22C38/10" definition-exists="false" ipc-concordant="C22C38/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C38/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing cobalt</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C22C38/105" definition-exists="false" ipc-concordant="C22C38/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C38/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing Co and Ni</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="C22C38/12" definition-exists="false" ipc-concordant="C22C38/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C38/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing tungsten, tantalum, molybdenum, vanadium, or niobium</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="C22C38/14" definition-exists="false" ipc-concordant="C22C38/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C38/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing titanium or zirconium</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="C22C38/16" definition-exists="false" ipc-concordant="C22C38/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C38/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing copper</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="C22C38/18" definition-exists="false" ipc-concordant="C22C38/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C38/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing chromium</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C22C38/20" definition-exists="false" ipc-concordant="C22C38/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C38/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with copper</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="C22C38/22" definition-exists="false" ipc-concordant="C22C38/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C38/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with molybdenum or tungsten</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="C22C38/24" definition-exists="false" ipc-concordant="C22C38/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C38/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with vanadium</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="C22C38/26" definition-exists="false" ipc-concordant="C22C38/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C38/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with niobium or tantalum</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="C22C38/28" definition-exists="false" ipc-concordant="C22C38/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C38/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with titanium or zirconium</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="C22C38/30" definition-exists="false" ipc-concordant="C22C38/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C38/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with cobalt</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="C22C38/32" definition-exists="false" ipc-concordant="C22C38/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C38/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with boron</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="C22C38/34" definition-exists="false" ipc-concordant="C22C38/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C38/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with more than 1.5% by weight of silicon</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="C22C38/36" definition-exists="false" ipc-concordant="C22C38/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C38/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with more than 1.7% by weight of carbon</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="C22C38/38" definition-exists="false" ipc-concordant="C22C38/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C38/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with more than 1.5% by weight of manganese</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="C22C38/40" definition-exists="false" ipc-concordant="C22C38/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C38/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with nickel</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C22C38/42" definition-exists="false" ipc-concordant="C22C38/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C38/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with copper</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="C22C38/44" definition-exists="false" ipc-concordant="C22C38/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C38/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with molybdenum or tungsten</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="C22C38/46" definition-exists="false" ipc-concordant="C22C38/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C38/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with vanadium</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="C22C38/48" definition-exists="false" ipc-concordant="C22C38/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C38/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with niobium or tantalum</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="C22C38/50" definition-exists="false" ipc-concordant="C22C38/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C38/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with titanium or zirconium</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="C22C38/52" definition-exists="false" ipc-concordant="C22C38/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C38/52</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with cobalt</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="C22C38/54" definition-exists="false" ipc-concordant="C22C38/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C38/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with boron</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="C22C38/56" definition-exists="false" ipc-concordant="C22C38/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C38/56</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with more than 1.7% by weight of carbon</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="C22C38/58" definition-exists="false" ipc-concordant="C22C38/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C38/58</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with more than 1.5% by weight of manganese</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="C22C38/60" definition-exists="false" ipc-concordant="C22C38/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C38/60</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur</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="C22C43/00" definition-exists="true" ipc-concordant="C22C43/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C43/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alloys containing radioactive materials</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C22C45/00" definition-exists="true" ipc-concordant="C22C45/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-01-01" status="published"><classification-symbol>C22C45/00</classification-symbol><class-title date-revised="2023-01-01"><title-part><text>Amorphous alloys </text><reference><text>making amorphous non-ferrous alloys <class-ref scheme="cpc">C22C1/11</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="C22C45/001" definition-exists="false" ipc-concordant="C22C45/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C45/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with Cu as the major constituent</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="C22C45/003" definition-exists="false" ipc-concordant="C22C45/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C45/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with one or more of the noble metals as major constituent</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="C22C45/005" definition-exists="false" ipc-concordant="C22C45/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C45/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with Mg as the major constituent</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="C22C45/006" definition-exists="false" ipc-concordant="C22C45/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C45/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with Cr as the major constituent</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="C22C45/008" definition-exists="false" ipc-concordant="C22C45/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C45/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with Fe, Co or Ni as the major constituent </text><reference><text><class-ref scheme="cpc">C22C45/02</class-ref>, <class-ref scheme="cpc">C22C45/04</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C22C45/02" definition-exists="false" ipc-concordant="C22C45/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C22C45/02</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>with iron as the major constituent</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="C22C45/04" definition-exists="false" ipc-concordant="C22C45/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C22C45/04</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>with nickel or cobalt as the major constituent</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="C22C45/06" definition-exists="false" ipc-concordant="C22C45/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C22C45/06</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>with beryllium as the major constituent</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="C22C45/08" definition-exists="false" ipc-concordant="C22C45/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C22C45/08</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>with aluminium as the major constituent</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="C22C45/10" definition-exists="false" ipc-concordant="C22C45/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C22C45/10</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>with molybdenum, tungsten, niobium, tantalum, titanium, or zirconium </text><CPC-specific-text><text>or Hf</text></CPC-specific-text><text> as the major constituent</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="C22C47/00" date-revised="2020-05-01" status="published"><classification-symbol>C22C47/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alloys containing fibres or filaments</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C22C47/00" definition-exists="false" ipc-concordant="C22C47/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C47/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Making alloys containing metallic or non-metallic fibres or filaments</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C22C47/005" definition-exists="false" ipc-concordant="C22C47/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C2047/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Working of filaments or rods into fibre reinforced metal by mechanical deformation</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="C22C47/02" definition-exists="false" ipc-concordant="C22C47/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C47/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pretreatment of the fibres or filaments</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C22C47/025" definition-exists="false" ipc-concordant="C22C47/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-05-01" status="published"><classification-symbol>C22C47/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Aligning or orienting the fibres</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C22C47/04" definition-exists="false" ipc-concordant="C22C47/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C47/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by coating, e.g. with a protective or activated covering</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="C22C47/06" definition-exists="false" ipc-concordant="C22C47/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C47/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by forming the fibres or filaments into a preformed structure, e.g. using a temporary binder to form a mat-like element</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C22C47/062" definition-exists="false" ipc-concordant="C22C47/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-05-01" status="published"><classification-symbol>C22C47/062</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>from wires or filaments only</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="C22C47/064" definition-exists="false" ipc-concordant="C22C47/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C47/064</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Winding wires</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="C22C47/066" definition-exists="false" ipc-concordant="C22C47/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C47/066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Weaving wires</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="C22C47/068" definition-exists="false" ipc-concordant="C22C47/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C47/068</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Aligning wires</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="C22C47/08" definition-exists="false" ipc-concordant="C22C47/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C47/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by contacting the fibres or filaments with molten metal, e.g. by infiltrating the fibres or filaments placed in a mould </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C22C47/16</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C22C47/10" definition-exists="false" ipc-concordant="C22C47/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C47/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Infiltration in the presence of a reactive atmosphere</text></title-part><title-part><text>Reactive infiltration</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="C22C47/12" definition-exists="false" ipc-concordant="C22C47/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C47/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Infiltration or casting under mechanical pressure</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C22C47/14" definition-exists="false" ipc-concordant="C22C47/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C47/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by powder metallurgy, i.e. by processing mixtures of metal powder and fibres or filaments</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="C22C47/16" definition-exists="false" ipc-concordant="C22C47/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C47/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by thermal spraying of the metal, e.g. plasma spraying </text><CPC-specific-text><reference><text>atomising molten metal comprising fibres <u>see</u> also <class-ref scheme="cpc">C22C1/1042</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C22C47/18" definition-exists="false" ipc-concordant="C22C47/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C47/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using a preformed structure of fibres or filaments</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="C22C47/20" definition-exists="false" ipc-concordant="C22C47/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C47/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by subjecting to pressure and heat an assembly comprising at least one metal layer or sheet and one layer of fibres or filaments</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C22C47/205" definition-exists="false" ipc-concordant="C22C47/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C2047/205</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>placing wires inside grooves of a metal layer</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C22C49/00" definition-exists="false" ipc-concordant="C22C49/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C49/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alloys containing metallic or non-metallic fibres or filaments</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C22C49/02" definition-exists="false" ipc-concordant="C22C49/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C49/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the matrix material</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C22C49/04" definition-exists="false" ipc-concordant="C22C49/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C49/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Light metals</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C22C49/06" definition-exists="false" ipc-concordant="C22C49/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C49/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Aluminium</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="C22C49/08" definition-exists="false" ipc-concordant="C22C49/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C49/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Iron group metals</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="C22C49/10" definition-exists="false" ipc-concordant="C22C49/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C49/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Refractory metals</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C22C49/11" definition-exists="false" ipc-concordant="C22C49/11" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C49/11</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Titanium</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="C22C49/12" definition-exists="false" ipc-concordant="C22C49/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C49/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Intermetallic matrix material</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C22C49/14" definition-exists="false" ipc-concordant="C22C49/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C49/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the fibres or filaments</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="true" level="6" additional-only="true" sort-key="C22C200/00" date-revised="2013-01-01" status="published"><classification-symbol>C22C2200/00</classification-symbol>
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<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="C22C200/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C2200/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Crystalline structure</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C22C200/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C2200/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Amorphous</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C22C200/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C2200/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Nanocrystalline</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C22C200/06" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C2200/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Quasicrystalline</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="true" level="6" additional-only="true" sort-key="C22C202/00" date-revised="2023-01-01" status="published"><classification-symbol>C22C2202/00</classification-symbol><class-title date-revised="2023-01-01"><title-part><text>Non-ferrous alloys, i.e. alloys based essentially on metals other than iron</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="C22C202/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C2202/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Physical properties</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C22C202/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C2202/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Magnetic</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C22C202/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C2202/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hydrogen absorbing</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="C22C204/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C22C2204/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>End product comprising different layers, coatings or parts of cermet</text></title-part></class-title></classification-item></classification-item></classification-item></class-scheme> |