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NA 022

DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE

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Technical rule [CURRENT]

ITU-T I.431
Primary rate user-network interface - Layer 1 specification

Title (German)

Primärmultiple-Nutzer-Netz-Schnittstelle - Spezifikation der Schicht 1

Edition 1993-03
Original language English
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