CPC Main Group
F22B 33/00 Steam-generation plants, e.g. comprising steam boilers of different types in mutual association
4 direct subcodes
Child Classifications
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- F22B 33/02 Combinations of boilers having a single combustion apparatus in common
- F22B 33/12 Self-contained steam boilers, i.e. comprising as a unit the steam boiler, the combustion apparatus, the fuel storage, accessory machines and equipment
- F22B 33/14 Combinations of low- and high-pressure boilers
- F22B 33/18 Combinations of steam boilers with other apparatus