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

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Technical rule [CURRENT]

ITU-T I.412
ISDN user-network interfaces; Interface structures and access capabilities

Title (German)

ISDN-Nutzer-Netz-Schnittstellen - Schnittstellenstrukturen und Zugangsleistungsmerkmale

Edition 1988-11
Original language English
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