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.