CPC Subgroup
F01C 17/02 of toothed-gearing type (F01C1/077 takes precedence)
Full Title
Arrangements for drive of co-operating members, e.g. for rotary piston and casing > of toothed-gearing type (F01C1/077 takes precedence)
F01C 17/02 Arrangements for drive of co-operating members, e.g. for rotary piston and casing > of toothed-gearing type (F01C1/077 takes precedence)