ČSN ETS 300187 (877038)

Integrated Services Digital Network (ISDN). Three Party (3PTY) supplementary service. Functional capabilities and information flows

NORM herausgegeben am 1.11.1994

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

Designation standards: ČSN ETS 300187
Classification mark: 877038
Catalog number: 16936
Publication date standards: 1.11.1994
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN