IPC Subgroup
H04M 15/38 Metering by apparatus other than mechanical step-by-step counter type
Introduced: September 1968
Last revised: January 2006
Full Title
Arrangements for metering, time-control or time-indication > Metering by apparatus other than mechanical step-by-step counter type
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- TELEPHONIC COMMUNICATION