IPC Main Group
G04D 7/00 Measuring, counting, calibrating, testing, or regulating apparatus
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PHYSICS
- Class:
- HOROLOGY
- Subclass:
- APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
6 direct subcodes
Child Classifications
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