IPC Subgroup
G01N 25/72 Investigating presence of flaws
Introduced: September 1968
Last revised: January 2006
Full Title
Investigating or analysing materials by the use of thermal means > Investigating presence of flaws
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES