IPC Subgroup
G01R 19/145 Indicating the presence of current or voltage
Introduced: January 1980
Last revised: January 2006
Full Title
Arrangements for measuring currents or voltages or for indicating presence or sign thereof > Indicating the presence of current or voltage
Classification Context
- Section:
- PHYSICS
- Class:
- MEASURING; TESTING
- Subclass:
- MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
2 direct subcodes
Child Classifications
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- G01R 19/15 Indicating the presence of current
- G01R 19/155 Indicating the presence of voltage