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Priority claimed from DE2602979Aexternal-prioritypatent/DE2602979C3/de
Application filed by Kumepa Patent Gmbh EtsfiledCriticalKumepa Patent Gmbh Ets
Publication of ATA47877ApublicationCriticalpatent/ATA47877A/de
Application grantedgrantedCritical
Publication of AT367989BpublicationCriticalpatent/AT367989B/de