DIFF Main Group
F16B 23/00 Specially shaped heads of bolts or screws for rotations by a tool
Introduced: September 1968
Title
Titles differ between systems:
IPC: Specially-shaped heads of bolts or screws for rotations by a tool
CPC: Specially shaped heads of bolts or screws for rotations by a tool
Full Title
Full titles differ between systems:
IPC:
Specially-shaped heads of bolts or screws for rotations by a tool
CPC:
Specially shaped heads of bolts or screws for rotations by a tool
Of 7 combined children, 0 exist in both systems.
7 codes are CPC-only extensions.
Child Classifications
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