IPC Main Group
G01H 3/00 Measuring vibrations by using a detector in a fluid
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
Related Keywords
PICK-UP(S) used in electrophonic musical instruments
2 direct subcodes
Child Classifications
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