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INTEGRATED SERVICES DIGITAL NETWORK (ISDN); PRIMARY RATE USER-NETWORK INTERFACE; LAYER 1 SPECIFICATION AND TEST PRINCIPLES (Endorsed by AENOR in December of 1997.)
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STANDARD published on 1.12.1997
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Designation standards: UNE-ETS 300011/A1:1994
Note: Change
Publication date standards: 1.12.1997
SKU: NS-1126410
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Category: Technical standards UNE
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