IPC Subgroup
G01B 11/3 for measuring roughness or irregularity of surfaces
Introduced: September 1968
Last revised: January 2006
Full Title
Measuring arrangements characterised by the use of optical techniques > for measuring roughness or irregularity of surfaces
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS