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DIN EN 28877:1993-11

Отменен
Information technology; telecommunications and information exchange between systems; interface connector and contact assignment for ISDN basic access interface located at reference points S and T (ISO/IEC 8877:1992); English version EN 28877:1993 — 16 стр.
DIN ISO 8877:1991-04
Отменен
DIN EN 28877:1993-11
Отменен