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  4. Standard "UNE-ETS 300257ED2"
Standard UNE-ETS 300257ED2 1.5.2022 preview

UNE-ETS 300257ED2

Private Integrated Services Network (PISN);Inter-exchange signalling protocol;Diversion supplementary services [ISO/IEC 13873 (1995) modified] (Endorsed by Asociación Espanola de Normalización in May of 2022.)

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STANDARD published on 1.5.2022


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The information about the standard:

Designation standards: UNE-ETS 300257ED2
Publication date standards: 1.5.2022
SKU: NS-1126815
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Category: Technical standards UNE

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