Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F23
COMBUSTION APPARATUS; COMBUSTION PROCESSES
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F23B
METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
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1/00
Combustion apparatus using only lump fuel
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F23B1/30
characterised by the form of combustion chamber
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F23B1/38
for combustion of peat, sawdust, or pulverulent fuel on a grate or other fuel support
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