IPC Subgroup
G01C 1/1 including an artificial horizon
Introduced: September 1968
Last revised: January 2006
Full Title
Measuring angles > Sextants > including an artificial horizon
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
1 direct subcode
Child Classifications
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- G01C 1/12 with a stabilised mirror