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F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
F01L31/00—Valve drive, valve adjustment during operation, or other valve control, not provided for in groups F01L15/00 - F01L29/00
F01L31/08—Valve drive or valve adjustment, apart from tripping aspects; Positively-driven gear
F01L31/16—Valve drive or valve adjustment, apart from tripping aspects; Positively-driven gear the drive being effected by specific means other than eccentric, e.g. cams; Valve adjustment in connection with such drives
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FR831436D1937-04-261937-12-29
Roller lever valve control for locomotives and ship steam engines
ExpiredFR831436A
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