DIFF Subgroup
F16T 1/18 involving a vacuum chamber
Introduced: September 1968
Full Title
Steam traps or like apparatus for draining-off liquids from enclosures predominantly containing gases or vapours, e.g. gas lines, steam lines, containers > with valves controlled by excess or release of pressure > involving a vacuum chamber
No child classifications to compare. This is a leaf node in both IPC and CPC.