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PCE
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DIFF Subgroup
F02K 9/58

Propellant feed valves

Introduced: January 1980

Full Title

Full titles differ between systems:

IPC:

Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof > using liquid or gaseous propellants > Feeding propellants > Control > Propellant feed valves

CPC:

Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof > using liquid or gaseous propellants (F02K9/72 takes precedence) > Feeding propellants > Control > Propellant feed valves

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