ČSN ETS 300062 (873507)

Integrated Services Digital Network (ISDN). Direct Dialling In (DDI) supplementary service. Service description

NORM herausgegeben am 1.8.1995

Nur das Vorwort ist in der tschechischen Sprache -
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The information about the standard:

Designation standards: ČSN ETS 300062
Classification mark: 873507
Catalog number: 18096
Publication date standards: 1.8.1995
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN