DIFF Subgroup
B25B 13/48 for special purposes
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Spanners; Wrenches > for special purposes
CPC:
Spanners; Wrenches (hand-driven gear-operated B25B17/00; impact wrenches B25B19/00; portable power-driven B25B21/00 ; machines for fitting together or separating metal parts B23P19/00 ) > for special purposes
CPC subdivides this area 5x more granularly than IPC with 4 additional codes.
4 codes are CPC-only extensions.
Child Classifications
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- B25B 13/50 for operating on work of special profile, e.g. pipes +2 CPC IPC+CPC Available in IPC and CPC