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Telefonaktiebolaget LM Ericsson AB
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Telefonaktiebolaget LM Ericsson AB
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Application filed by Telefonaktiebolaget LM Ericsson ABfiledCriticalTelefonaktiebolaget LM Ericsson AB
Publication of DE1158595BpublicationCriticalpatent/DE1158595B/de
DET21141A1960-11-221961-11-20Schaltung zur kombinierten Isolations- und Kurzschlusspruefung einer Mehrkanalimpuls-Nachrichtenuebertragungsanlage
PendingDE1158595B
(de)
Verfahren und Schaltungsanordnung zum störwechselspannungsunabhängigen Ermitteln von Fremd-Gteichspannungen in Fernmelde-, insbesondere Fernsprechanlagen