DIFF Subgroup
B25H 7/04 Devices, e.g. scribers, for marking (centre punches B25D5/00 )
Introduced: September 1968
Title
Titles differ between systems:
IPC: Devices, e.g. scribers, for marking
CPC: Devices, e.g. scribers, for marking (centre punches B25D5/00 )
Full Title
Full titles differ between systems:
IPC:
Marking-out or setting-out work > Devices, e.g. scribers, for marking
CPC:
Marking-out or setting-out work (measuring, gauging G01; optical apparatus G02B; by photographic means G03C) > Devices, e.g. scribers, for marking (centre punches B25D5/00 )
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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