DIFF Subgroup
B22C 9/24 for hollow articles
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Moulds or cores; Moulding processes > Moulds for peculiarly-shaped castings > for hollow articles
CPC:
Moulds or cores (uniquely adapted to particular casting processes B22D); Moulding processes > Moulds for peculiarly-shaped castings > for hollow articles
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
Child Classifications
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