CH440387A - Schaltungsanordnung für Vermittlungssysteme, insbesondere Fernsprech-Vermittlungssysteme
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Schaltungsanordnung für Vermittlungssysteme, insbesondere Fernsprech-Vermittlungssysteme
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Publication number
CH440387A
CH440387ACH1665665ACH1665665ACH440387ACH 440387 ACH440387 ACH 440387ACH 1665665 ACH1665665 ACH 1665665ACH 1665665 ACH1665665 ACH 1665665ACH 440387 ACH440387 ACH 440387A
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Application filed by Siemens AgfiledCriticalSiemens Ag
Publication of CH440387ApublicationCriticalpatent/CH440387A/de