DIFF Subgroup
G04B 3/02 Removably-mounted keys or the like
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Normal winding of clockworks by hand or mechanically; Winding-up several mainsprings or driving weights simultaneously > Removably-mounted keys or the like
CPC:
Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously > Removably-mounted keys or the like
No child classifications to compare. This is a leaf node in both IPC and CPC.