IPC Main Group
G01P 21/00 Testing or calibrating of apparatus or devices covered by the other groups of this subclass
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION OR SHOCK; INDICATING PRESENCE OR ABSENCE OF MOVEMENT; INDICATING DIRECTION OF MOVEMENT
1 direct subcode
Child Classifications
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- G01P 21/02 of speedometers