IPC Subgroup
G04C 13/06 Contact devices
Introduced: September 1968
Last revised: January 2006
Full Title
Driving mechanisms for clocks by primary clocks > Circuit arrangements; Electric clock installations > Primary clocks > Contact devices
Classification Context
- Section:
- PHYSICS
- Class:
- HOROLOGY
- Subclass:
- ELECTROMECHANICAL CLOCKS OR WATCHES