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| More topics under "F23 - Combustion apparatus; Combustion processes" (197,367) |
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| F23B - Methods or apparatus for combustion using only solid fuel (4,175) | | F23C - Methods or apparatus for combustion using fluid fuel or solid fuel suspended in air (25,295) | | F23D - Burners (40,176) | | F23G - Cremation furnaces; Consuming waste or low grade fuels by combustion (24,448) | | F23H - Grates; Cleaning or raking grates (3,367) | | F23J - Removal or treatment of combustion products or combustion residues; Flues (21,462) | | F23K - Feeding fuel to combustion apparatus (10,649) | | F23L - Supplying air or non-combustible liquids or gases to combustion apparatus in general; Valves or dampers specially adapted for controlling air supply or draught in combustion apparatus; Inducing draught in combustion apparatus; Tops for chimneys or ventilating shafts; Terminals for flues (15,413) | | F23M - Constructional details of combustion chambers, not otherwise provided for (6,992) | | F23N - Regulating or controlling combustion (16,812) | | F23Q - Ignition; Extinguishing devices (14,158) | | F23R - Generating combustion products of high pressure or high velocity, e.g. gas-turbine combustion chambers (14,420) |
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