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PCE
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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.