DIFF Subgroup
B31F 5/02 by crimping or slotting
Introduced: September 1968
Title
Titles differ between systems:
IPC: by crimpling or slotting
CPC: by crimping or slotting
Full Title
Full titles differ between systems:
IPC:
Attaching together sheets, strips or webs; Reinforcing edges > by crimpling or slotting
CPC:
Attaching together sheets, strips or webs; Reinforcing edges > by crimping or slotting
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.
Child Classifications
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