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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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F02G
HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
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2243/00
Stirling type engines having closed regenerative thermodynamic cycles with flow controlled by volume changes
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F02G2243/02
having pistons and displacers in the same cylinder
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F02G2243/20
each having a single free piston, e.g. "Beale engines"
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