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Business TeleCommunications (BTC). Ordinary and special quality voice bandwidth 2-wire analogue leased line (A2O and A2S). Terminal equipment interface
STANDARD published on 1.2.1997
Designation standards: ČSN ETS 300450-ed.1
Classification mark: 871520
Catalog number: 21363
Publication date standards: 1.2.1997
SKU: NS-171540
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
1.11.1999
1.1.2000
1.1.2000
1.1.2000
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