IPC Subgroup
G04C 19/04 by indicating members moved electrically, e.g. flap, band
Introduced: September 1968
Last revised: January 2006
Full Title
Producing optical time signals at prefixed times by electric means > by indicating members moved electrically, e.g. flap, band
Classification Context
- Section:
- PHYSICS
- Class:
- HOROLOGY
- Subclass:
- ELECTROMECHANICAL CLOCKS OR WATCHES