DIFF Subgroup
B22C 21/04 Upset frames; Bottom boards or mould boards (pattern plates B22C7/04)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Upset frames; Bottom boards or mould boards
CPC: Upset frames; Bottom boards or mould boards (pattern plates B22C7/04)
Full Title
Full titles differ between systems:
IPC:
Flasks; Accessories therefor > Upset frames; Bottom boards or mould boards
CPC:
Flasks; Accessories therefor (stripping plates B22C17/06) > Upset frames; Bottom boards or mould boards (pattern plates B22C7/04)
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
Child Classifications
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