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A
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SECTION A — HUMAN NECESSITIES
B
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SECTION B — PERFORMING OPERATIONSTRANSPORTING
C
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SECTION C — CHEMISTRYMETALLURGY
D
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SECTION D — TEXTILESPAPER
E
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SECTION E — FIXED CONSTRUCTIONS
F
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SECTION F — MECHANICAL ENGINEERINGLIGHTINGHEATINGWEAPONSBLASTING
F01
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ENGINES OR PUMPS
F01
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MACHINES OR ENGINES IN GENERAL (combustion engines F02; machines for liquids F03, F04)ENGINE PLANTS IN GENERALSTEAM ENGINES
F02
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COMBUSTION ENGINES (cyclically operating valves therefor, lubricating, exhausting, or silencing engines F01)HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
F03
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MACHINES OR ENGINES FOR LIQUIDS (for liquids and elastic fluids F01; positive-displacement machines for liquids F04)WIND, SPRING, OR WEIGHT MOTORSPRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
F04
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POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDSPUMPS FOR LIQUIDS OR ELASTIC FLUIDS (portable fire extinguishers with manually-operated pumps A62C 11/00, with power-driven pumps A62C 25/00; charging or scavenging combustion engines by pumps F02B; engine fuel-injection pumps F02M; ion pumps H01J 41/12; electrodynamic pumps H02K 44/02)
F15
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ENGINEERING IN GENERAL
F15
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FLUID-PRESSURE ACTUATORSHYDRAULICS OR PNEUMATICS IN GENERAL
F16
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ENGINEERING ELEMENTS OR UNITSGENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONSTHERMAL INSULATION IN GENERAL
F17
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STORING OR DISTRIBUTING GASES OR LIQUIDS (water supply E03B)
F21
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LIGHTINGHEATING
F21
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LIGHTING (electric aspects or elements, see section H, e.g. electric light sources H01J, H01K, H05B)
F22
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STEAM GENERATION (chemical or physical apparatus for generating gases B01J; chemical generation of gas, e.g. under pressure, Section C; removal of combustion products or residues, e.g. cleaning of the combustion contaminated surfaces of tubes of boilers, F23J; generating combustion products of high pressure or high velocity F23R; water heaters not for steam generation F24H, F28; cleaning of internal or external surfaces of heat-transfer conduits, e.g. water tubes of boilers, F28G)
F23
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COMBUSTION APPARATUSCOMBUSTION PROCESSES
F24
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HEATINGRANGESVENTILATING (protecting plants by heating in gardens, orchards, or forests A01G 13/06; baking ovens and apparatus A21B; cooking devices other than ranges A47J; forging B21J, B21K; specially adapted for vehicles, see the relevant subclasses of classes B60-B64; combustion apparatus in general F23; drying F26B; ovens in general F27; electric heating elements or arrangements H05B)
F25
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REFRIGERATION OR COOLINGCOMBINED HEATING AND REFRIGERATION SYSTEMSHEAT PUMP SYSTEMSMANUFACTURE OR STORAGE OF ICELIQUEFACTION OR SOLIDIFICATION OF GASES
F26
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DRYING
F27
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FURNACESKILNSOVENSRETORTS (specially adapted for a purpose covered by a single other class and specifically mentioned in that class, see the class in question, e.g. bakery ovens A21B, glass melting furnaces C03B, coke or gas-making apparatus C10B, C10J, apparatus for cracking hydrocarbons C10G, blast furnaces C21B, converters for making steel C21C, furnaces for heat treatment of metal C21D; furnaces for electroslag or arc remelting of metals C22B 9/00; enamelling ovens C23D; combustion apparatus F23; electric heating H05B) [4]
F28
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HEAT EXCHANGE IN GENERAL (heat-transfer, heat-exchange or heat-storage materials C09K 5/00; arrangement or mounting of heat-exchangers in air-conditioning, air-humidification or ventilation F24F 13/30)
F41
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WEAPONSBLASTING
F41
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WEAPONS
F42
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AMMUNITIONBLASTING
F42B
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EXPLOSIVE CHARGES, e.g. FOR BLASTINGFIREWORKSAMMUNITION (explosive compositions C06B; fuzes F42C; blasting F42D) [2, 5]
F42C
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AMMUNITION FUZES (blasting cartridge initiators F42B 3/10; chemical aspects C06C)ARMING OR SAFETY MEANS THEREFOR (filling fuzes F42B 33/02; fitting or extracting primers in or from fuzes F42B 33/04; containers for fuzes F42B 39/30) [5]
F42C 1/00
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Impact fuzes, i.e. fuzes actuated only by ammunition impact
F42C 3/00
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Fuzes actuated by exposure to a liquid, e.g. sea-water (F42C 5/00 takes precedence; time fuzes F42C 9/00)
F42C 5/00
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Fuzes actuated by exposure to a predetermined ambient fluid pressure
F42C 7/00
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Fuzes actuated by application of a predetermined mechanical force, e.g. tension, torsion, pressure (by ammunition impact F42C 1/00; by exposure to a predetermined ambient fluid pressure F42C 5/00)
F42C 9/00
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Time fuzesCombined time- and percussion- or pressure-actuated fuzesFuzes for timed self-destruction of ammunition
F42C 11/00
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Electric fuzes (proximity fuzes F42C 13/00; electric igniters F42C 19/12)
F42C 13/00
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Proximity fuzesFuzes for remote detonation
F42C 14/00
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Fuzes characterised by the ammunition class or type (F42C 1/00, F42C 13/00, F42C 15/00 take precedence) [5]
F42C 15/00
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Arming-means in fuzesSafety means for preventing premature detonation of fuzes or charges
F42C 15/16
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wherein the firing pin is displaced out of the action line for safety (F42C 15/40 takes precedence)
F42C 15/18
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wherein a carrier for an element of the pyrotechnic or explosive train is moved (F42C 15/40 takes precedence) [5]
F42C 15/184
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. . using a slidable carrier [5]
F42C 15/188
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. . using a rotatable carrier [5]
F42C 15/192
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. . . rotatable in a plane which is parallel to the longitudinal axis of the projectile [5]
F42C 15/196
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. . . . by the action of centrifugal or inertia forces on the carrier body, e.g. the carrier having eccentrically mounted weights or eccentric centre of gravity [5]
F42C 15/20
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wherein a securing-pin or latch is removed to arm the fuze, e.g. removed from the firing pin (F42C 15/40 takes precedence)
F42C 15/21
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. . using spring action (F42C 15/23 takes precedence) [5]
F42C 15/22
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. . using centrifugal force (F42C 15/23 takes precedence)
F42C 15/23
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. . by unwinding a flexible ribbon or tape [5]
F42C 15/24
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wherein the safety or arming action is effected by inertia means (F42C 15/196, F42C 15/20 take precedence)
F42C 15/26
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. . using centrifugal force
F42C 15/28
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operated by flow of fluent material, e.g. shot, fluids (F42C 15/26 takes precedence)
F42C 15/285
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. . stored within the fuze housing [5]
F42C 15/29
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. . operated by fluidic oscillatorsoperated by dynamic fluid pressure, e.g. ram-air operated [5]
F42C 15/295
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. . operated by a turbine or a propellerMounting means therefor [5]
F42C 15/30
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. . of propellant gases, i.e. derived from propulsive charge or rocket motor
F42C 15/31
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. . generated by the combustion of a pyrotechnic or explosive charge within the fuze [5]
F42C 15/32
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operated by change of fluid pressure (F42C 5/00, F42C 15/29 take precedence)
F42C 15/33
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. . by breaking a vacuum or pressure container [5]
F42C 15/34
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wherein the safety or arming action is effected by a blocking-member in the pyrotechnic or explosive train between primer and main charge (F42C 15/18, F42C 15/40 take precedence)
F42C 15/36
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wherein arming is effected by combustion or fusion of an element (F42C 15/31 takes precedence)
F42C 15/38
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wherein arming is effected by chemical action (F42C 3/00 takes precedence)
F42C 15/40
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wherein the safety or arming action is effected electrically
F42C 15/42
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. . from a remote location, e.g. for controlled mines or mine fields [5]
F42C 15/44
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Arrangements for disarming, or for rendering harmless, fuzes after arming, e.g. after launch [5]
F42C 17/00
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Fuze-setting apparatus
F42C 19/00
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Details of fuzes (other parts F42C 15/00)
F42C 21/00
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Checking fuzesTesting fuzes
F42C 99/00
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Subject matter not provided for in other groups of this subclass [2006.01]
F42D
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BLASTING (fuses, e.g. fuse cords, C06C 5/00; blasting cartridges F42B 3/00)
F99
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SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION [2006.01]
G
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SECTION G — PHYSICS
H
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SECTION H — ELECTRICITY

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