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A
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HUMAN NECESSITIES
B
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PERFORMING OPERATIONS; TRANSPORTING
C
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CHEMISTRY; METALLURGY
D
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TEXTILES; PAPER
E
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FIXED CONSTRUCTIONS
F
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MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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, WEIGHT, OR MISCELLANEOUS 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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LIGHTING; HEATING
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 to 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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WEAPONS; BLASTING
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]
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)
F41G 1/00
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Sighting devices (for indirect laying of fire F41G 3/16; bombsights F41G 3/24)
F41G 3/00
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Aiming meansLaying means (sighting devices F41G 1/00; determining direction, distance or velocity by use of radio or other waves G01S; computers G06; aerials H01Q)
F41G 3/02
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using an independent line of sight
F41G 3/04
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for dispersing fire from a battery
F41G 3/06
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with rangefinder (rangefinders per se G01C)
F41G 3/08
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with means for compensating for speed, direction, temperature, pressure, or humidity of the atmosphere (measuring G01)
F41G 3/10
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with means for compensating for canting of the trunnions
F41G 3/12
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with means for compensating for muzzle velocity or powder temperature
F41G 3/14
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Indirect aiming means
F41G 3/16
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. . Sighting devices adapted for indirect laying of fire
F41G 3/18
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. . Auxiliary target devices adapted for indirect laying of fire
F41G 3/20
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. . specially adapted for mountain artillery
F41G 3/22
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for vehicle-borne armament, e.g. on aircraft
F41G 3/24
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. . Bombsights
F41G 3/26
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Teaching or practice apparatus for gun-aiming or gun-laying
F41G 3/28
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. . Small-scale apparatus (relief models or maps G09B)
F41G 3/30
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. . Gun-laying apparatus
F41G 3/32
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Devices for testing or checking
F41G 5/00
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Elevating or traversing control systems for guns (gun mountings permitting traversing or elevating movement, e.g. gun carriages, F41A 27/00; computers G06)
F41G 7/00
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Direction control systems for self-propelled missiles (flight control B64C , G05D 1/00; self-propelled or guided missiles having direction control systems only installed aboard F42B 15/01; rocket torpedoes F42B 17/00; marine torpedoes or sea-mines having self-propulsion means F42B 19/00; locating by use of radio or other waves G01S; computing aspects G06)
F41G 9/00
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Systems for controlling missiles or projectiles, not provided for elsewhere
F41G 11/00
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Details of sighting or aiming apparatusAccessories
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
G
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PHYSICS
H
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ELECTRICITY

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