DIFF Subgroup
A63B 23/0233 Full Title
Exercising apparatus specially adapted for particular parts of the body (A63B22/00 takes precedence; force-resisting aspects A63B21/00; electric or electronic controls therefor A63B24/00; devices for exercising or strengthening of fingers, or arms in teaching operation of keyboards G09B15/06) > for the abdomen, the spinal column or the torso
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.