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Integrated Service Digital Network (ISDN) - Audiographic conference teleservice - Service sedcription
STANDARD published on 1.8.1997
Designation standards: ČSN ETS 300675-ed.1
Classification mark: 877570
Catalog number: 22333
Publication date standards: 1.8.1997
SKU: NS-172083
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
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