IPC Subgroup
G01M 3/38 by using light
Introduced: September 1968
Last revised: January 2006
Full Title
Investigating fluid tightness of structures > by using light
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR