CPC Subgroup
G04C 13/08 Secondary clocks actuated intermittently
Full Title
Driving mechanisms for clocks by primary clocks > Secondary clocks actuated intermittently
3 direct subcodes
Child Classifications
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- G04C 13/10 by electromechanical step-advancing mechanisms
- G04C 13/12 by continuously-rotating electric motors
- G04C 13/14 by electrically-released mechanical driving mechanisms