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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 GENERALENGINE PLANTS IN GENERALSTEAM ENGINES
F02
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COMBUSTION ENGINESHOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
F03
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MACHINES OR ENGINES FOR LIQUIDSWIND, 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
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
F21
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LIGHTINGHEATING
F21
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LIGHTING
F22
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STEAM GENERATION
F23
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COMBUSTION APPARATUSCOMBUSTION PROCESSES
F24
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HEATINGRANGESVENTILATING
F24B
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DOMESTIC STOVES OR RANGES FOR SOLID FUELSIMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES [6]
F24B 1/00
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Stoves or ranges
F24B 1/02
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Closed stoves
F24B 1/04
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. . built-up from glazed tiles (F24B 1/08, F24B 1/16 take precedence)
F24B 1/06
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. . . Construction of tiles or bracing means therefor, e.g. shim liner (forming of tiles B28B; glazing of tiles C04B)
F24B 1/08
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. . with fuel storage in a single undivided hopper within stove or range
F24B 1/10
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. . . with combustion in horizontal direction (F24B 1/14 takes precedence)
F24B 1/14
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. . . with predistillation in the hopper
F24B 1/16
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. . with fuel storage in multiple or divided hoppers within the stove or range
F24B 1/18
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Stoves with open fires, e.g. fireplaces
F24B 1/181
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. . Free-standing fireplaces, e.g. for mobile homes [4]
F24B 1/182
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. . with additional provisions for cooking (other stoves with additional provisions for cooking F24B 1/26) [4]
F24B 1/183
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. . with additional provisions for heating water [4]
F24B 1/185
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. . with air-handling means, heat exchange means, or additional provisions for convection heating (F24B 1/183 takes precedence; component parts or accessories having air-handling means, heat exchange means, or additional provisions for convection heating F24B 1/191)Regulating combustionControls therefor [4]
F24B 1/187
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. . . Condition responsive controls for regulating combustion (valves or dampers for air supply F23L) [4]
F24B 1/188
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. . . characterised by use of heat exchange means (F24B 1/187 takes precedence) [4]
F24B 1/189
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. . . characterised by air-handling means, i.e. of combustion-air, heated-air, or flue-gases, e.g. draught control dampers (F24B 1/187, F24B 1/188 take precedence) [4]
F24B 1/19
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. . . . Supplying combustion-air [4]
F24B 1/191
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. . Component partsAccessories [4]
F24B 1/192
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. . . DoorsScreensFuel guards [4]
F24B 1/193
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. . . GratesIrons [4]
F24B 1/195
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. . . FireboxesFramesHoodsHeat reflectors [4]
F24B 1/197
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. . . Hearths [4]
F24B 1/198
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. . . Surrounds-fronts [4]
F24B 1/199
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. . . Fuel-handling equipment [4]
F24B 1/20
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Ranges
F24B 1/22
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. . in which the baking oven is arranged above the fire-box
F24B 1/24
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. . with built-in masses for heat storage or heat insulation
F24B 1/26
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Stoves with additional provisions for cooking (stoves with open-fires with additional provisions for cooking F24B 1/182) [4]
F24B 1/28
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Combined installations of stoves or ranges, e.g. back-to-back stoves with a common fire-box
F24B 3/00
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Heaters not covered by group F24B 1/00, e.g. charcoal brazier (for cooking A47J 27/00-A47J 37/00)
F24B 5/00
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Combustion-air or flue-gas circulation in or around stoves or ranges (stoves with open fires with air-handling means F24B 1/185) [4]
F24B 7/00
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Stoves, ranges, or flue-gas ducts, with additional provisions for convection heating (stoves with open fires characterised by use of heat exchange means F24B 1/185; air heaters having heat generating means F24H 3/00) [4]
F24B 9/00
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Stoves, ranges, or flue-gas ducts, with additional provisions for heating water (F24B 1/182, F24B 1/183 take precedence) [3, 4]
F24B 13/00
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Details solely applicable to stoves or ranges burning solid fuels (component parts or accessories for stoves with open-fires F24B 1/191; removing ash, clinker or slag from combustion chambers F23J 1/00; removing solid residues from passages or chambers beyond the fire F23J 3/00; joints or connections for chimneys or flues F23J 13/04; mouths or inlet holes for chimneys or flues F23J 13/06; means for supervising combustion F23M 11/04) [4]
F24B 15/00
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Implements for use in connection with stoves or ranges (ash sieves B07B; firelighters C10L 11/00; removal of ashes F23J; other devices for igniting F23Q) [6]
F24C
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OTHER DOMESTIC STOVES OR RANGESDETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION (radiator stoves of the fluid-circulating type F24H)
F24D
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DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMSDOMESTIC HOT-WATER SUPPLY SYSTEMSELEMENTS OR COMPONENTS THEREFOR (preventing corrosion C23F; water supply in general E03; using steam or condensate extracted or exhausted from steam engine plants for heating purposes F01K 17/02; steam traps F16T; domestic stoves or ranges F24B, F24C; water or air heaters having heat generating means F24H; combined heating and refrigeration systems F25B; heat exchange apparatus or elements F28; removing furring F28G; electric heating elements or arrangements H05B)
F24F
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AIR-CONDITIONINGAIR-HUMIDIFICATIONVENTILATIONUSE OF AIR CURRENTS FOR SCREENING (removing dirt or fumes from areas where they are produced B08B 15/00; vertical ducts for carrying away waste gases from buildings E04F 17/02; tops for chimneys or ventilating shafts, terminals for flues F23L 17/02)
F24H
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FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, IN GENERAL (heat-transfer, heat-exchange or heat-storage materials C09K 5/00; tube furnaces for thermal non-catalytic cracking C10G 9/20; devices, e.g. valves, for venting and aerating enclosures F16K 24/00; steam traps or like apparatus F16T; steam generation F22; combustion apparatus F23; domestic stoves or ranges F24B, F24C; domestic- or space-heating systems F24D; furnaces, kilns, ovens, retorts F27; heat-exchangers F28; electric heating elements or arrangements H05B)
F24J
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PRODUCTION OR USE OF HEAT NOT OTHERWISE PROVIDED FOR (materials therefor C09K 5/00; engines or other mechanisms for producing mechanical power from heat, see the relevant classes, e.g. F03G for using natural heat)
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 [4]
F28
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HEAT EXCHANGE IN GENERAL
F41
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WEAPONSBLASTING
F41
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WEAPONS
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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