DIFF Subgroup
B22C 9/20 Stack moulds, i.e. arrangement of multiple moulds or flasks
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Moulds or cores; Moulding processes > Stack moulds, i.e. arrangement of multiple moulds or flasks
CPC:
Moulds or cores (uniquely adapted to particular casting processes B22D); Moulding processes > Stack moulds, i.e. arrangement of multiple moulds or flasks
No child classifications to compare. This is a leaf node in both IPC and CPC.