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20 lines
10 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<class-scheme publication-date="2023-02-01" scheme-type="cpc" publication-type="official">
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<classification-item breakdown-code="false" not-allocatable="true" level="5" additional-only="false" sort-key="F17B" definition-exists="true" date-revised="2018-08-01" status="published"><classification-symbol>F17B</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>GAS-HOLDERS OF VARIABLE CAPACITY </text><reference><text>self-acting gas cut-off devices <class-ref scheme="cpc">A47J27/62</class-ref>, <class-ref scheme="cpc">G05D</class-ref>; flame traps <class-ref scheme="cpc">A62C4/00</class-ref>; gas mixers <class-ref scheme="cpc">B01F</class-ref>, <class-ref scheme="cpc">F16K11/00</class-ref>, <class-ref scheme="cpc">G05D11/00</class-ref>; construction or assembling of bulk storage containers employing civil-engineering techniques <class-ref scheme="cpc">E04H7/00</class-ref>, gas compressors <class-ref scheme="cpc">F04</class-ref>; valves <class-ref scheme="cpc">F16K</class-ref>; damping pulsations in valves or pipes <class-ref scheme="cpc">F16K</class-ref>, <class-ref scheme="cpc">F16L</class-ref>; pipes <class-ref scheme="cpc">F16L</class-ref>; stopping devices for gas mains <class-ref scheme="cpc">F16L55/10</class-ref>; vessels adapted for storing compressed, liquefied, or solidified gases <class-ref scheme="cpc">F17C</class-ref>; gas distribution systems <class-ref scheme="cpc">F17D1/04</class-ref>; detecting leakage <class-ref scheme="cpc">F17D5/02</class-ref>, <class-ref scheme="cpc">G01M</class-ref>; supervising or alarm devices <class-ref scheme="cpc">F17D5/02</class-ref>, <class-ref scheme="cpc">G08B</class-ref>; control of combustion in burners <class-ref scheme="cpc">F23N</class-ref>; gas flow or pressure regulators <class-ref scheme="cpc">G05D</class-ref></text></reference></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph>In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="F17B1/00" date-revised="2013-01-01" status="published"><classification-symbol>F17B1/00</classification-symbol>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F17B1/00" definition-exists="true" ipc-concordant="F17B1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F17B1/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Gas-holders of variable capacity </text><reference><text>large containers in general <class-ref scheme="cpc">B65D88/00</class-ref>; storing fluids in natural or artificial cavities or chambers in the earth <class-ref scheme="cpc">B65G5/00</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="F17B1/007" definition-exists="false" ipc-concordant="F17B1/007" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F17B1/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with telescopically movable ring-shaped parts </text><reference><text><class-ref scheme="cpc">F17B1/10</class-ref> takes precedence; sealing of rings <class-ref scheme="cpc">F17B1/04</class-ref></text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F17B1/013" definition-exists="false" ipc-concordant="F17B1/013" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F17B1/013</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with movables discs </text><reference><text><class-ref scheme="cpc">F17B1/10</class-ref> takes precedence; sealing of discs <class-ref scheme="cpc">F17B1/04</class-ref></text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F17B1/02" definition-exists="false" ipc-concordant="F17B1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F17B1/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F17B1/04" definition-exists="false" ipc-concordant="F17B1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F17B1/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sealing devices for sliding parts </text><reference><text>in general <class-ref scheme="cpc">F16J15/00</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F17B1/06" definition-exists="false" ipc-concordant="F17B1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F17B1/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using sealing liquids</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="F17B1/08" definition-exists="false" ipc-concordant="F17B1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F17B1/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using resilient materials for packing, e.g. leather</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="F17B1/10" definition-exists="false" ipc-concordant="F17B1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F17B1/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Guiding moving parts</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="F17B1/12" definition-exists="false" ipc-concordant="F17B1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F17B1/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Gas admission or discharge arrangements</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="F17B1/14" definition-exists="false" ipc-concordant="F17B1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F17B1/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Safety devices, e.g. prevention of excess 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="F17B1/16" definition-exists="false" ipc-concordant="F17B1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F17B1/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of wet type</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F17B1/18" definition-exists="false" ipc-concordant="F17B1/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F17B1/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>bell-shaped</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="F17B1/20" definition-exists="false" ipc-concordant="F17B1/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F17B1/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>telescopic</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="F17B1/22" definition-exists="false" ipc-concordant="F17B1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F17B1/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>spirally-guided</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="F17B1/24" definition-exists="false" ipc-concordant="F17B1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F17B1/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of dry type</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F17B1/26" definition-exists="false" ipc-concordant="F17B1/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F17B1/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with flexible walls, e.g. bellows </text><reference><text>connection of valves to inflatable elastic bodies <class-ref scheme="cpc">B60C29/00</class-ref></text></reference></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item></class-scheme> |