DIFF Subgroup
B23Q 11/0078 Full Title
Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work ; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools (in respect of boring or drilling machines B23B47/32 takes precedence; safety devices in general F16P)
Of 5 combined children, 0 exist in both systems.
5 codes are CPC-only extensions.