CPC Subgroup
F01L 7/12 specially for two-stroke engines (F01L7/04 takes precedence)
Full Title
Rotary or oscillatory slide valve-gear or valve arrangements (slide valves with combined rotary and non-rotary movements, combinations of rotary and non-rotary slide valves F01L5/00) > specially for two-stroke engines (F01L7/04 takes precedence)