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Priority claimed from DE2514548Aexternal-prioritypatent/DE2514548C3/en
Priority claimed from AT230977Aexternal-prioritypatent/AT351696B/en
Application filed by Ver Edelstahlwerke AgfiledCriticalVer Edelstahlwerke Ag
Publication of ATA833977ApublicationCriticalpatent/ATA833977A/en
Application grantedgrantedCritical
Publication of AT356362BpublicationCriticalpatent/AT356362B/en