Integrated Services Digital Network (ISDN). Service requirements for Telefax Group 4
STANDARD published on 1.11.1994
Designation standards: ČSN ETS 300120
Classification mark: 873518
Catalog number: 16848
Publication date standards: 1.11.1994
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Category: Technical standards ČSN