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F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
F01L7/00—Rotary or oscillatory slide valve-gear or valve arrangements
F01L7/02—Rotary or oscillatory slide valve-gear or valve arrangements with cylindrical, sleeve, or part-annularly shaped valves
F01L7/027—Rotary or oscillatory slide valve-gear or valve arrangements with cylindrical, sleeve, or part-annularly shaped valves with two or more valves arranged coaxially
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FR525494A1919-10-041920-10-02
Improvements in internal combustion engines
ExpiredFR525494A
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