IPC Subgroup
H04M 1/52 Arrangements wherein a dial or the like is mechanically coupled to a line selector
Introduced: September 1968
Last revised: January 2006
Full Title
Substation equipment, e.g. for use by subscribers > Devices for calling a subscriber > Arrangements wherein a dial or the like is mechanically coupled to a line selector
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- TELEPHONIC COMMUNICATION