DIFF Subgroup
B25B 15/004 Full Title
Screwdrivers (hand-driven gear-operated B25B17/00; impact screwdrivers B25B19/00; portable power-driven B25B21/00 )
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.
B25B 15/004 Screwdrivers (hand-driven gear-operated B25B17/00; impact screwdrivers B25B19/00; portable power-driven B25B21/00 )
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.