IPC Subgroup
G01B 5/245 for testing perpendicularity
Introduced: January 1995
Last revised: January 2006
Full Title
Measuring arrangements characterised by the use of mechanical techniques > for measuring angles or tapers; for testing the alignment of axes > for testing perpendicularity
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