DIFF Subgroup
B22C 9/12 Treating moulds or cores, e.g. drying, hardening
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Moulds or cores; Moulding processes > Treating moulds or cores, e.g. drying, hardening
CPC:
Moulds or cores (uniquely adapted to particular casting processes B22D); Moulding processes > Treating moulds or cores, e.g. drying, hardening
Of 3 combined children, 0 exist in both systems.
2 codes are CPC-only extensions, 1 exist only in IPC.
Child Classifications
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