B22C 1/04 for protection of the casting, e.g. against decarbonisation
Introduced: September 1968
Full Title
Full titles differ between systems:
Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds > characterised by additives for special purposes, e.g. indicators, breakdown additives > for protection of the casting, e.g. against decarbonisation
Compositions of refractory mould or core materials; Grain structures thereof (refractory materials in general C04B35/00); Chemical or physical features in the formation or manufacture of moulds > characterised by additives for special purposes, e.g. indicators, breakdown additives > for protection of the casting, e.g. against decarbonisation
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
Child Classifications
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