IPC Subgroup
G04F 8/08 Means used apart from the time-piece for starting or stopping same
Introduced: July 1974
Last revised: January 2006
Full Title
Apparatus for measuring unknown time intervals by electromechanical means > Means used apart from the time-piece for starting or stopping same
Classification Context
- Section:
- PHYSICS
- Class:
- HOROLOGY
- Subclass:
- TIME-INTERVAL MEASURING