IPC Subgroup
G04F 7/02 by measuring the distance of fall or the final velocity of a falling body
Introduced: September 1968
Last revised: January 2006
Full Title
Apparatus for measuring unknown time intervals by non-electric means > by measuring the distance of fall or the final velocity of a falling body
Classification Context
- Section:
- PHYSICS
- Class:
- HOROLOGY
- Subclass:
- TIME-INTERVAL MEASURING