CPC Main Group
F01K 25/00 Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
5 direct subcodes
Child Classifications
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- F01K 25/02 the fluid remaining in the liquid phase
- F01K 25/04 the fluid being in different phases, e.g. foamed
- F01K 25/06 using mixtures of different fluids (plants using mixtures of steam and gas F01K21/04)
- F01K 25/08 using special vapours