Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F02
COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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F02B
INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
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33/00
Engines characterised by provision of pumps for charging or scavenging
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F02B33/32
Engines with pumps other than of reciprocating-piston type
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