DIFF Subgroup
F23Q 2/173 Valves therefor (valves in general F16K)
Introduced: January 1980
Title
Titles differ between systems:
IPC: Valves therefor
CPC: Valves therefor (valves in general F16K)
Full Title
Full titles differ between systems:
IPC:
Lighters containing fuel, e.g. for cigarettes > Lighters with gaseous fuel, e.g. the gas being stored in liquid phase > with adjustable flame > Valves therefor
CPC:
Lighters containing fuel, e.g. for cigarettes > Lighters with gaseous fuel, e.g. the gas being stored in liquid phase > Valves therefor (valves in general F16K)
No child classifications to compare. This is a leaf node in both IPC and CPC.