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Priority claimed from DE19691962905external-prioritypatent/DE1962905C3/de
Application filed by Frank Gmbh WilhfiledCriticalFrank Gmbh Wilh
Priority claimed from AT1132370Aexternal-prioritypatent/AT327041B/de
Publication of ATA526972ApublicationCriticalpatent/ATA526972A/de
Application grantedgrantedCritical
Publication of AT329402BpublicationCriticalpatent/AT329402B/de