IPC Main Group
G04C 9/00 Electrically-actuated devices for setting the time-indicating means
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PHYSICS
- Class:
- HOROLOGY
- Subclass:
- ELECTROMECHANICAL CLOCKS OR WATCHES
Scope Notes
Limiting references: Pulse transmission systems with additional means for setting the time indication of secondary clocks
3 direct subcodes
Child Classifications
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