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DIFF Subgroup
F17C 1/14

constructed of aluminium; constructed of non-magnetic steel

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge > constructed of aluminium; constructed of non-magnetic steel

CPC:

Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge (pressurised apparatus for purposes other than storage, see the relevant subclasses such as A62C, B05B; associated with vehicles, see the appropriate subclass of classes B60 - B64; pressure vessels in general F16J12/00 ) > constructed of aluminium; constructed of non-magnetic steel

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