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Telecommunications Security - Intergrated Services Digital Network (ISDN) - Confidentiality system for audiovisual services
STANDARD published on 1.11.1998
Designation standards: ČSN ETS 300840-ed.1
Classification mark: 874002
Catalog number: 53729
Publication date standards: 1.11.1998
SKU: NS-172244
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
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