DIFF Subgroup
F02F 3/26 having combustion chamber in piston head (the surface thereof being covered F02F3/14)
Introduced: September 1968
Title
Titles differ between systems:
IPC: having combustion chamber in piston head
CPC: having combustion chamber in piston head (the surface thereof being covered F02F3/14)
Full Title
Full titles differ between systems:
IPC:
Pistons > having combustion chamber in piston head
CPC:
Pistons > having combustion chamber in piston head (the surface thereof being covered F02F3/14)
No child classifications to compare. This is a leaf node in both IPC and CPC.