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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
F41A
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FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONSMOUNTINGS FOR SMALLARMS OR ORDNANCE [5]
F41A 1/00
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Missile propulsion characterised by the use of explosive or combustible propellant charges (projecting missiles without use of explosive or combustible propellant charge F41B; launching rockets or torpedoes F41F 3/00; missile self-propulsion F42B 15/00) [5]
F41A 3/00
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Breech mechanism, e.g. locks [5]
F41A 5/00
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Mechanisms or systems operated by propellant charge energy for automatically opening the lock [5]
F41A 7/00
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Auxiliary mechanisms for bringing the breech-block or bolt or the barrel to the starting position before automatic firing (operating handles or levers F41A 3/00)Drives for externally-powered guns (revolving-cannon guns F41F 1/00)Remote-controlled gun chargers [5]
F41A 9/00
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Feeding or loading of ammunition (adaptations for feeding or loading missiles from magazines in air guns F41B 11/02)MagazinesGuiding means for the extracting of cartridges (cartridge extractors or ejectors F41A 15/00) [5]
F41A 11/00
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Assembly or disassembly featuresModular conceptsArticulated or collapsible guns (F41A 3/64, F41A 19/10-F41A 19/15, F41A 21/48, F41A 25/26 take precedence) [5]
F41A 13/00
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Cooling or heating systems (barrels or gun tubes with fins or ribs F41A 21/00)Blowing-through of gun barrelsVentilating systems [5]
F41A 15/00
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Cartridge extractors, i.e. devices for pulling cartridges or cartridge cases at least partially out of the cartridge chamberCartridge ejectors, i.e. devices for throwing the extracted cartridges or cartridge cases free of the gun (F41A 9/54 takes precedence) [5]
F41A 17/00
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Safety arrangements, e.g. safeties [5]
F41A 19/00
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Firing or trigger mechanismsCocking mechanisms [5]
F41A 21/00
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BarrelsGun tubesMuzzle attachmentsBarrel mounting means (F41A 25/00 takes precedence; barrel attachments for firing grenades or riot-control ammunition from smallarms F41C 27/06; sighting devices F41G 1/00) [5]
F41A 23/00
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Gun mountings, e.g. on vehiclesDisposition of guns on vehicles (F41A 25/00, F41A 27/00 take precedence) [5]
F41A 25/00
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Gun mountings permitting recoil or return to battery, e.g. gun cradlesBarrel buffers or brakes (recoilless guns F41A 1/08) [5]
F41A 25/02
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Fluid-operated systems [5]
F41A 25/04
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. . adjustable [5]
F41A 25/06
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Friction-operated systems [5]
F41A 25/08
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. . adjustable [5]
F41A 25/10
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Spring-operated systems [5]
F41A 25/12
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. . using coil springs [5]
F41A 25/14
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. . . adjustable [5]
F41A 25/16
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Hybrid systems [5]
F41A 25/18
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. . Hydroelastic systems [5]
F41A 25/20
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. . Hydropneumatic systems [5]
F41A 25/22
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Bearing arrangements for the reciprocating gun-mount or barrel movement [5]
F41A 25/24
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. . using ball or roller bearings [5]
F41A 25/26
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Assembling or dismounting recoil elements or systems [5]
F41A 27/00
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Gun mountings permitting traversing or elevating movement, e.g. gun carriages [5]
F41A 29/00
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Cleaning or lubricating arrangements (injecting fluids into barrels or cartridge chambers F41A 13/04) [5]
F41A 31/00
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Testing arrangements (testing mounts F41A 23/16) [5]
F41A 33/00
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Adaptations for training (adaptations of barrels for recoil reinforcement F41A 21/26)Gun simulators (teaching or practice apparatus for gun-aiming or gun-laying F41G 3/26) [5]
F41A 35/00
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Accessories or details not otherwise provided for [5]
F41A 99/00
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Subject matter not provided for in other groups of this subclass [2006.01]
F41B
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WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGEWEAPONS NOT OTHERWISE PROVIDED FOR (projectiles for fishing, e.g. fish-spears, A01K 81/00; sports implements for throwing A63B 65/00, e.g. boomerangs A63B 65/08; stationary apparatus for projecting sports balls, e.g. tennis balls, A63B 69/40; throwing or slinging toys A63H 33/18, knives, axes B26B; projectiles or missiles other than those incorporating springs as projecting means F42B 6/00)
F41C
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SMALLARMS, e.g. PISTOLS, RIFLES (functional features or details common to both smallarms and ordnance, mountings therefor F41A; projecting missiles without use of explosive or combustible propellant charge F41B)ACCESSORIES THEREFOR [5]
F41F
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APPARATUS FOR LAUNCHING PROJECTILES OR MISSILES FROM BARRELS, e.g. CANNONS (smallarms F41C)LAUNCHERS FOR ROCKETS OR TORPEDOESHARPOON GUNS (functional features or details common to both smallarms and ordnance, mountings therefor F41A; projecting missiles without use of explosive or combustible propellant charge F41B) [5]
F41G
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WEAPON SIGHTSAIMING (optical aspects thereof G02B)
F41H
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ARMOURARMOURED TURRETSARMOURED OR ARMED VEHICLESMEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
F41J
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TARGETSTARGET RANGESBULLET CATCHERS
F42
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AMMUNITIONBLASTING
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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