IPC Subgroup
H04Q 1/24 for connection devices
Introduced: September 1968
Last revised: January 2006
Full Title
Details of selecting apparatus or arrangements > Electrical details > Testing circuits or apparatus; Circuits or apparatus for detecting, indicating, or signalling faults or troubles > Automatic arrangements > for connection devices
Classification Context
- Section:
- ELECTRICITY
- Class:
- ELECTRIC COMMUNICATION TECHNIQUE
- Subclass:
- SELECTING