Public switched telephone network. Technical specification for type approval of direct dialling in private switching systems with mf socotel signalling
German title
FERNMELDETECHNIK. OEFFENTLICHES FERNSPRECHWAEHLNETZ. TECHNISCHE LIEFERBEDINGUNGEN ZUR ZULASSUNG VON EMPFANGSGERAETEN FUER FERNGEBUEHR UND ZENTRALISIERTE GEBUEHRENVERRECHNUNG
Publication date
1996-06-01
Original language
French
Pages
26
Publication date
1996-06-01
Original language
French
Pages
26
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