CPC Subgroup
F03C 1/14 by driving liquid of engine
Full Title
Reciprocating-piston liquid engines > Distributing valve-gear peculiar thereto (for engines with positive-displacement in general F01L; ) > by driving liquid of engine
F03C 1/14 Reciprocating-piston liquid engines > Distributing valve-gear peculiar thereto (for engines with positive-displacement in general F01L; ) > by driving liquid of engine