DIFF Subgroup
F01L 7/10 with valves of other specific shape, e.g. spherical
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Rotary or oscillatory slide-valve gear or valve arrangements > with valves of other specific shape, e.g. spherical
CPC:
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) > with valves of other specific shape, e.g. spherical
No child classifications to compare. This is a leaf node in both IPC and CPC.