DIFF Subgroup
B25B 23/1422 Full Title
Details of, or accessories for, spanners, wrenches, screwdrivers (bolt tensioners B25B29/02) > Arrangement of torque limiters or torque indicators in wrenches or screwdrivers (couplings for transmitting rotation or clutches F16D; devices for measuring torque per se G01L) > specially adapted for hand operated wrenches or screwdrivers
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.