DIFF Subgroup
B23F 23/1206 Full Title
Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines (accessories or equipment not restricted to gear-cutting machines B23Q) > Other devices, e.g. tool holders; Checking devices for controlling workpieces in machines for manufacturing gear teeth
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.