DIFF Subgroup
B28B 7/22 Moulds for making units for prefabricated buildings ; Moulds for making prefabricated stair units
Introduced: September 1968
Title
Titles differ between systems:
IPC: Moulds for making units for prefabricated buildings; Moulds for making prefabricated stair units
CPC: Moulds for making units for prefabricated buildings ; Moulds for making prefabricated stair units
Full Title
Full titles differ between systems:
IPC:
Moulds; Cores; Mandrels > Moulds for making units for prefabricated buildings; Moulds for making prefabricated stair units
CPC:
Moulds; Cores; Mandrels (specially adapted for the production of the tubular articles B28B21/00; ) > Moulds for making units for prefabricated buildings ; Moulds for making prefabricated stair units
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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