IPC Subgroup
G01V 1/147 using impact of dropping masses
Introduced: January 1980
Last revised: January 2006
Full Title
Seismology; Seismic or acoustic prospecting or detecting > Generating seismic energy > using mechanical driving means > using impact of dropping masses
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS