DIFF Subgroup Additional Only
Y10T 407/2274 Apertured tool
Full Title
Cutters, for shaping > including holder having seat for inserted tool > with separate means to fasten tool to holder > Apertured tool
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Note: 1 CPC extensions are marked as secondary classification only.