DIFF Subgroup
B22C 9/28 for wheels, rolls, or rollers
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Moulds or cores; Moulding processes > Moulds for peculiarly-shaped castings > for wheels, rolls, or rollers
CPC:
Moulds or cores (uniquely adapted to particular casting processes B22D); Moulding processes > Moulds for peculiarly-shaped castings > for wheels, rolls, or rollers
No child classifications to compare. This is a leaf node in both IPC and CPC.