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PCE
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DIFF Subgroup
G04C 9/04

by blocking the driving means

Introduced: January 1980

Full Title

Full titles differ between systems:

IPC:

Electrically-actuated devices for setting the time-indicating means > by blocking the driving means

CPC:

Electrically-actuated devices for setting the time-indicating means (of secondary clocks G04C13/03) > by blocking the driving means

No child classifications to compare. This is a leaf node in both IPC and CPC.