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Priority claimed from DE1965ST023316external-prioritypatent/DE1239368B/de
Priority claimed from DEST23358Aexternal-prioritypatent/DE1240946B/de
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Publication of BE676328ApublicationCriticalpatent/BE676328A/xx
Verfahren zur zeitlich begrenzten Umschaltung des eigenen Anschlusses auf einen anderen Anschluss mit eigener Rufnummer in Fernmelde-, insbesondere Fernsprechvermittlungsanlagen