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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41/00
Engines characterised by special means for improving conversion of heat or pressure energy into mechanical power
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F02B41/02
Engines with prolonged expansion
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F02B41/10
in exhaust turbines
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