CPC Subgroup
F01B 3/02 with wobble-plate
Full Title
Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis > with wobble-plate
F01B 3/02 Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis > with wobble-plate