IPC Subgroup
G04C 10/02 the power supply being a radioactive source
Introduced: January 1980
Last revised: January 2006
Full Title
Arrangements of electric power supplies in time-pieces > the power supply being a radioactive source
Classification Context
- Section:
- PHYSICS
- Class:
- HOROLOGY
- Subclass:
- ELECTROMECHANICAL CLOCKS OR WATCHES