CPC Main Group
F01K 21/00 Steam engine plants not otherwise provided for
4 direct subcodes
Child Classifications
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- F01K 21/02 with steam-generation in engine-cylinders
- F01K 21/04 using mixtures of steam and gas; Plants generating or heating steam by bringing water or steam into direct contact with hot gas (; direct-contact steam generators in general F22B)
- F01K 21/06 Treating live steam, other than thermodynamically, e.g. for fighting deposits in engine