IPC Subgroup
G01R 7/02 for forming a sum or a difference
Introduced: September 1968
Last revised: January 2006
Full Title
Instruments capable of converting two or more currents or voltages into a single mechanical displacement > for forming a sum or a difference
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES