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