Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F24
HEATING; RANGES; VENTILATING
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F24B
DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
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5/00
Combustion-air or flue-gas circulation in or around stoves or ranges
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F24B5/021
combustion-air circulation
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F24B5/025
Supply of secondary air for completing combustion of fuel
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