DIFF Subgroup
G04B 3/12 by mechanical means, e.g. pneumatic motor (winding up with electric or electromechanical means G04C )
Introduced: September 1968
Title
Titles differ between systems:
IPC: by mechanical means, e.g. pneumatic motor
CPC: by mechanical means, e.g. pneumatic motor (winding up with electric or electromechanical means G04C )
Full Title
Full titles differ between systems:
IPC:
Normal winding of clockworks by hand or mechanically; Winding-up several mainsprings or driving weights simultaneously > by mechanical means, e.g. pneumatic motor
CPC:
Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously > by mechanical means, e.g. pneumatic motor (winding up with electric or electromechanical means G04C )
No child classifications to compare. This is a leaf node in both IPC and CPC.