GB 3971.2-1983

Interoffice junction digital line signalling system for telephone automatic switching network

STANDARD published on 15.12.1983

English, Chinese -
electronic design (pdf) (698.80 USD)

The information about the standard:

Designation standards: GB 3971.2-1983
Note: WITHDRAWN
Publication date standards: 15.12.1983
Country: Chinese technical standard
Category: Technical standards GB