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Priority claimed from DE1690288Aexternal-prioritypatent/DE1690288B2/de
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Publication of AT284929BpublicationCriticalpatent/AT284929B/de
Luftraumisolierte Ader fuer Hochfrequenzkabel mit einem oder mehreren um den Leiter angeordneten rohrfoermigen Abstandhaltern aus Polystyrol oder aehnlichen Werkstoffen