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40 lines
28 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="F15C" definition-exists="true" date-revised="2018-08-01" status="published"><classification-symbol>F15C</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>FLUID-CIRCUIT ELEMENTS PREDOMINANTLY USED FOR COMPUTING OR CONTROL PURPOSES </text><reference><text>transducers <class-ref scheme="cpc">F15B5/00</class-ref>, </text><CPC-specific-text><text><class-ref scheme="cpc">F15B21/00</class-ref></text></CPC-specific-text><text>; fluid dynamics in general <class-ref scheme="cpc">F15D</class-ref>; computer comprising fluid elements <class-ref scheme="cpc">G06D</class-ref>, <class-ref scheme="cpc">G06G</class-ref>; </text><CPC-specific-text><text>electric control by means of electro-hydraulic or electro-pneumatic amplifiers <class-ref scheme="cpc">G05B7/02</class-ref></text></CPC-specific-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="F15C1/00" date-revised="2013-01-01" status="published"><classification-symbol>F15C1/00</classification-symbol>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="F15C1/00" definition-exists="false" ipc-concordant="F15C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>F15C1/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Circuit elements having no moving parts</text></title-part></class-title><notes-and-warnings><note type="note"><note-paragraph>Group <class-ref scheme="cpc">F15C1/22</class-ref> takes precedence over groups <class-ref scheme="cpc">F15C1/08</class-ref> - <class-ref scheme="cpc">F15C1/20</class-ref>.<br/><CPC-specific-note>This Note corresponds to IPC Note (1) relating to <class-ref scheme="cpc">F15C1/08</class-ref> - <class-ref scheme="cpc">F15C1/20</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="F15C1/001" definition-exists="false" ipc-concordant="F15C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F15C1/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for punched-card machines </text><reference><text>punched-card machines <class-ref scheme="cpc">G06K</class-ref></text></reference><text>; for typewriters </text><reference><text>typewriters <class-ref scheme="cpc">B41J</class-ref></text></reference><text>; for keyboards; for conveying cards or tape; for conveying through tubes </text><reference><text>transport through tubes <class-ref scheme="cpc">B65G51/00</class-ref>, <class-ref scheme="cpc">B65G53/00</class-ref></text></reference><text>; for computers </text><reference><text>non-electric computers <class-ref scheme="cpc">G06C</class-ref>, <class-ref scheme="cpc">G06D</class-ref>, <class-ref scheme="cpc">G06G</class-ref></text></reference><text>; for dc-ac transducers for information processing </text><reference><text>dc-ac converters <class-ref scheme="cpc">H02M</class-ref></text></reference><text>; for signal transmission </text><reference><text>telegraphic apparatus <class-ref scheme="cpc">H04L</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="F15C1/002" definition-exists="false" ipc-concordant="F15C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F15C1/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for controlling engines, turbines, compressors (starting, speed regulation, temperature control or the like) </text><reference><text>control of internal-combustion piston engines <class-ref scheme="cpc">F02D</class-ref>; of turbines <class-ref scheme="cpc">F01D</class-ref>, <class-ref scheme="cpc">F02C</class-ref>; of fans <class-ref scheme="cpc">F04D27/00</class-ref>; speedometers <class-ref scheme="cpc">G01P</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="F15C1/003" definition-exists="false" ipc-concordant="F15C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F15C1/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for process regulation, (e.g. chemical processes, in boilers or the like); for machine tool control (e.g. sewing machines, automatic washing machines); for liquid level control; for controlling various mechanisms; for alarm circuits; for ac-dc transducers for control purposes </text><reference><text>automatic washing machines <class-ref scheme="cpc">D06F33/00</class-ref>; electric regulation of mechanical working machines <class-ref scheme="cpc">B23Q35/00</class-ref>, <class-ref scheme="cpc">G05B19/00</class-ref>; valve-controlled servomotors <class-ref scheme="cpc">F15B9/08</class-ref>; thread feeding devices for sewing machines <class-ref scheme="cpc">D05B51/00</class-ref>; special provisions on lathes <class-ref scheme="cpc">B23B25/00</class-ref>, <class-ref scheme="cpc">B23Q</class-ref>; non-electric signal transmission <class-ref scheme="cpc">G08C23/00</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="F15C1/005" definition-exists="false" ipc-concordant="F15C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F15C1/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for measurement techniques, e.g. measuring from a distance; for detection devices, e.g. for presence detection; for sorting measured properties (testing); for gyrometers; for analysis; for chromatography </text><reference><text>fluid information or impulse transducers <class-ref scheme="cpc">F15B5/00</class-ref>; postal sorting according to size <class-ref scheme="cpc">B07C1/10</class-ref>; dial gauges, spherometers <class-ref scheme="cpc">G01B3/22</class-ref>, <class-ref scheme="cpc">G01B5/22</class-ref>; gyroscopic apparatus <class-ref scheme="cpc">G01C19/00</class-ref>; viscosimeters <class-ref scheme="cpc">G01N11/00</class-ref>; speed measurement, flowmeters <class-ref scheme="cpc">G01P</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="F15C1/006" definition-exists="false" ipc-concordant="F15C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F15C1/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for aeronautics; for rockets (drives, controls); for satellites; for air cushion vehicles; for controlling vessels or torpedoes </text><reference><text>injectors <class-ref scheme="cpc">F04F5/00</class-ref>; aircraft control by jet reaction <class-ref scheme="cpc">B64C15/00</class-ref>; air pressure regulation in aircraft <class-ref scheme="cpc">B64D13/04</class-ref>; instruments adapted to be mounted in aircraft <class-ref scheme="cpc">B64D43/00</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="F15C1/007" definition-exists="false" ipc-concordant="F15C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F15C1/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for indicating devices for fluid signals </text><reference><text>output arrangements in electronic computers <class-ref scheme="cpc">G06F3/14</class-ref>; luminous advertising <class-ref scheme="cpc">G09F13/00</class-ref>; name or number plates with interchangeable characters <class-ref scheme="cpc">G09F7/00</class-ref>; fluid operating means for indicating or recording members in measuring instruments <class-ref scheme="cpc">G01D5/42</class-ref>; fluid information or pulse transducers for converting variations of fluid pressure into other physical quantities <class-ref scheme="cpc">F15B5/003</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="F15C1/008" definition-exists="false" ipc-concordant="F15C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F15C1/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Other applications, e.g. for air conditioning, medical applications, other than in respirators, derricks for underwater separation of materials by coanda effect, weapons</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="F15C1/02" definition-exists="false" ipc-concordant="F15C1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F15C1/02</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Details </text><CPC-specific-text><text>, e.g. special constructional devices for circuits with fluid elements, such as resistances, capacitive circuit elements; devices preventing reaction coupling in composite elements </text><reference><text>servomotor systems adapted for maintaining constant speed <class-ref scheme="cpc">F15B11/05</class-ref></text></reference><text>; Switch boards; Programme devices </text><reference><text>hydraulic programme control <class-ref scheme="cpc">F15B21/02</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="F15C1/04" definition-exists="false" ipc-concordant="F15C1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F15C1/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for controlling fluid streams to fluid devices, e.g. by electric signals </text><CPC-specific-text><text>or other signals, no mixing taking place between the signal and the flow to be controlled </text><reference><text>fluid information or pulse transducers <class-ref scheme="cpc">F15B5/00</class-ref>; electric regulation with electro-fluid amplifiers <class-ref scheme="cpc">G05B7/02</class-ref>; fluid operating means for indicating or recording members in measuring instruments <class-ref scheme="cpc">G01D5/42</class-ref>; distribution or supply devices for servomotors with electrically-controlled pilot valves <class-ref scheme="cpc">F15B13/043</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="F15C1/06" definition-exists="false" ipc-concordant="F15C1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>F15C1/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Constructional details</text></title-part><title-part><text>Selection of specified materials </text><CPC-specific-text><text>Constructional realisation of one single element; Canal shapes; Jet nozzles; Assembling an element with other devices, only if the element forms the main part </text><reference><text><class-ref scheme="cpc">F15C5/00</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F15C1/08" definition-exists="false" ipc-concordant="F15C1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F15C1/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Boundary-layer devices, e.g. wall-attachment amplifiers </text><CPC-specific-text><text>coanda effect </text><reference><text>fluid oscillators of pulse generators <class-ref scheme="cpc">F15B21/12</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="F15C1/10" definition-exists="false" ipc-concordant="F15C1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F15C1/10</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>for digital operation, e.g. to form a logical flip-flop, OR-gate, NOR-gate </text><CPC-specific-text><text>, AND-gate; Comparators; Pulse generators</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="F15C1/12" definition-exists="false" ipc-concordant="F15C1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F15C1/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Multiple arrangements thereof for performing operations of the same kind, e.g. majority gates, identity gates </text><CPC-specific-text><reference><text>static stores <class-ref scheme="cpc">G11C25/00</class-ref></text></reference><text>; Counting circuits; Sliding registers</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="F15C1/14" definition-exists="false" ipc-concordant="F15C1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F15C1/14</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Stream-interaction devices</text></title-part><title-part><text>Momentum-exchange devices, e.g. operating by exchange between two orthogonal fluid jets </text><CPC-specific-text><text>; Proportional amplifiers</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F15C1/143" definition-exists="false" ipc-concordant="F15C1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F15C1/143</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for digital operation, e.g. to form a logical flip-flop, OR-gate, NOR-gate, AND-gate </text><reference><text><class-ref scheme="cpc">F15C1/10</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="F15C1/146" definition-exists="false" ipc-concordant="F15C1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F15C1/146</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>multiple arrangements thereof, forming counting circuits, sliding registers, integration circuits or the like </text><reference><text><class-ref scheme="cpc">F15C1/12</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F15C1/16" definition-exists="false" ipc-concordant="F15C1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F15C1/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Vortex devices, i.e. devices in which use is made of the pressure drop associated with vortex motion in a fluid </text><CPC-specific-text><reference><text>vortex chambers <class-ref scheme="cpc">F15D1/0015</class-ref>; vortex chambers as resistances <class-ref scheme="cpc">F15C1/02</class-ref>; vortex chambers associated with amplifiers for improving the switching time by interaction <class-ref scheme="cpc">F15C1/14</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="F15C1/18" definition-exists="false" ipc-concordant="F15C1/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>F15C1/18</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Turbulence devices, i.e. devices in which a controlling stream will cause a laminar flow to become turbulent </text><CPC-specific-text><text>; Diffusion amplifiers</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="F15C1/20" definition-exists="false" ipc-concordant="F15C1/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F15C1/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Direct-impact devices i.e., devices in which two collinear opposing power streams are impacted</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="F15C1/22" definition-exists="false" ipc-concordant="F15C1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F15C1/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Oscillators</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="F15C3/00" definition-exists="false" ipc-concordant="F15C3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>F15C3/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Circuit elements having moving parts </text><reference><text>valves, construction of valves <class-ref scheme="cpc">F16K</class-ref></text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>Group <class-ref scheme="cpc">F15C3/16</class-ref> takes precedence over groups <class-ref scheme="cpc">F15C3/02</class-ref> - <class-ref scheme="cpc">F15C3/14</class-ref>.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F15C3/002" definition-exists="false" ipc-concordant="F15C3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F15C3/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using fluid droplets or similar deformable bodies </text><reference><text>using solid balls <class-ref scheme="cpc">F15C3/06</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="F15C3/005" definition-exists="false" ipc-concordant="F15C3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F15C3/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using loose plates or foils </text><reference><text>using diaphragms <class-ref scheme="cpc">F15C3/04</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F15C3/007" definition-exists="false" ipc-concordant="F15C3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F15C3/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a spiral spring which allows fluid bass upon deformation </text><reference><text>using reeds <class-ref scheme="cpc">F15C3/08</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F15C3/02" definition-exists="false" ipc-concordant="F15C3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F15C3/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using spool valves</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="F15C3/04" definition-exists="false" ipc-concordant="F15C3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F15C3/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using diaphragms </text><reference><CPC-specific-text><text>using loose plates or foils <class-ref scheme="cpc">F15C3/005</class-ref></text></CPC-specific-text><text>; connection of valves to inflatable elastic bodies <class-ref scheme="cpc">B60C29/00</class-ref></text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="F15C3/06" definition-exists="false" ipc-concordant="F15C3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F15C3/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using balls </text><CPC-specific-text><text>or pill-shaped disks </text><reference><text>using fluid drops or similar deformable bodies <class-ref scheme="cpc">F15C3/002</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="F15C3/08" definition-exists="false" ipc-concordant="F15C3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F15C3/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using reeds </text><CPC-specific-text><reference><text>using spiral springs <class-ref scheme="cpc">F15C3/007</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="F15C3/10" definition-exists="false" ipc-concordant="F15C3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F15C3/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using nozzles or jet pipes </text><CPC-specific-text><reference><text>fluid information or pulse transducers <class-ref scheme="cpc">F15B5/00</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="F15C3/12" definition-exists="false" ipc-concordant="F15C3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F15C3/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the nozzle or jet pipe being movable</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="F15C3/14" definition-exists="false" ipc-concordant="F15C3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F15C3/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the jet the nozzle being intercepted by a flap</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="F15C3/16" definition-exists="false" ipc-concordant="F15C3/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F15C3/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Oscillators</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="F15C4/00" definition-exists="false" ipc-concordant="F15C4/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F15C4/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Circuit elements characterised by their special functions</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="F15C5/00" definition-exists="false" ipc-concordant="F15C5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F15C5/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Manufacture of fluid circuit elements</text></title-part><title-part><text>Manufacture of assemblages of such elements </text><CPC-specific-text><text>integrated circuits</text></CPC-specific-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="F15C7/00" definition-exists="false" ipc-concordant="F15C7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>F15C7/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hybrid elements, i.e. circuit elements having features according to groups <class-ref scheme="cpc">F15C1/00</class-ref> and <class-ref scheme="cpc">F15C3/00</class-ref></text></title-part></class-title></classification-item></classification-item></classification-item></class-scheme> |