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PCE
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DIFF Subgroup
F02D 21/04

with circulation of exhaust gases in closed or semi-closed circuits

Introduced: September 1968

Full Title

Controlling engines characterised by their being supplied with non-airborne oxygen or other non-fuel gas > peculiar to oxygen-fed engines > with circulation of exhaust gases in closed or semi-closed circuits

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