DIFF Subgroup
F17C 7/02 Discharging liquefied gases
Introduced: September 1968
Full Title
Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass > Discharging liquefied gases
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 1980.
Child Classifications
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