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PCE
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DIFF Subgroup
F01K 25/04

the fluid being in different phases, e.g. foamed

Introduced: September 1968

Full Title

Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for > the fluid being in different phases, e.g. foamed

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