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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
F01L 7/08

with conically or frusto-conically shaped valves

Introduced: September 1968

Title

Titles differ between systems:

IPC: with conically- or frusto-conically-shaped valves

CPC: with conically or frusto-conically shaped valves

Full Title

Full titles differ between systems:

IPC:

Rotary or oscillatory slide-valve gear or valve arrangements > with conically- or frusto-conically-shaped valves

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 conically or frusto-conically shaped valves

No child classifications to compare. This is a leaf node in both IPC and CPC.