DIFF Subgroup
F16K 17/42 Valves preventing penetration of air in the outlet of containers for liquids
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Safety valves; Equalising valves > Valves preventing penetration of air in the outlet of containers for liquids
CPC:
Safety valves; Equalising valves, > Valves preventing penetration of air in the outlet of containers for liquids
No child classifications to compare. This is a leaf node in both IPC and CPC.