IPC Subgroup
H04M 15/28 with meter at substation
Introduced: September 1968
Last revised: January 2006
Full Title
Arrangements for metering, time-control or time-indication > with meter at substation
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- TELEPHONIC COMMUNICATION
1 direct subcode
Child Classifications
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- H04M 15/3 the meter not being controlled from an exchange