CH465676A - Mehrstufige Koppelanordnung in Fernmelde-, insbesondere Fernsprechvermittlungsanlagen
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Mehrstufige Koppelanordnung in Fernmelde-, insbesondere Fernsprechvermittlungsanlagen
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Publication number
CH465676A
CH465676ACH1519567ACH1519567ACH465676ACH 465676 ACH465676 ACH 465676ACH 1519567 ACH1519567 ACH 1519567ACH 1519567 ACH1519567 ACH 1519567ACH 465676 ACH465676 ACH 465676A
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Application filed by Int Standard Electric CorpfiledCriticalInt Standard Electric Corp
Publication of CH465676ApublicationCriticalpatent/CH465676A/de