F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F01
MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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F01L
CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
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5/00
Slide valve-gear or valve-arrangements
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F01L5/04
with cylindrical, sleeve, or part-annularly shaped valves
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F01L5/06
surrounding working cylinder or piston
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