DIFF Subgroup
A63H 1/16 Hopping, dancing, or curve-drawing tops
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Tops > Hopping, dancing, or curve-drawing tops
CPC:
Tops (diabolos or similar thrown and caught spinning tops or throwing and catching devices therefor A63B67/16; flying tops ) > Hopping, dancing, or curve-drawing tops
No child classifications to compare. This is a leaf node in both IPC and CPC.