CPC Main Group Additional Only
B22F 2201/00 Treatment under specific atmosphere
11 direct subcodes
Child Classifications
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- B22F 2201/01 Reducing atmosphere
- B22F 2201/02 Nitrogen
- B22F 2201/03 Oxygen
- B22F 2201/04 CO or CO2
- B22F 2201/05 Water or water vapour
- B22F 2201/10 Inert gases
- B22F 2201/20 Use of vacuum
- B22F 2201/30 Carburising atmosphere
- B22F 2201/32 Decarburising atmosphere
- B22F 2201/40 Metal compounds
- B22F 2201/50 air