DIN ETS 300138-1/A1:1996-09
Superseded Standard amendment
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DIN ETS 300138-1/A1:1996-09

Integrated Services Digital Network (ISDN) - Closed User Group (CUG) supplementary service - Digital Subscriber Signalling System No. one (DSS1) protocol - Part 1: Protocol specification; English version ETS 300138-1:1992/A1:1996
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Publisher Deutsche Institut für Normung e.V. (DIN)
Publication Date 09/01/1996
Page Count 8
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Weight (in grams) ---
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