IPC Subgroup
G04F 5/16 using pulses produced by radio-isotopes
Introduced: July 1974
Last revised: January 2006
Full Title
Apparatus for producing preselected time intervals for use as timing standards > using pulses produced by radio-isotopes
Classification Context
- Section:
- PHYSICS
- Class:
- HOROLOGY
- Subclass:
- TIME-INTERVAL MEASURING