IPC Subgroup
G01V 7/04 Electric, photoelectric, or magnetic indicating or recording means
Introduced: September 1968
Last revised: January 2006
Full Title
Measuring gravitational fields or waves; Gravimetric prospecting or detecting > Details > Electric, photoelectric, or magnetic indicating or recording means
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS