DIFF Subgroup
A63H 31/02 Screw-spindle mechanisms
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Gearing for toys > Screw-spindle mechanisms
CPC:
Gearing for toys (gearing in general F16H) > Screw-spindle mechanisms
No child classifications to compare. This is a leaf node in both IPC and CPC.