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Priority claimed from DE2814640Aexternal-prioritypatent/DE2814640C2/en
Application filed by Vacuumschmelze GmbhfiledCriticalVacuumschmelze Gmbh
Priority to AT0300381ApriorityCriticalpatent/AT374211B/en
Publication of ATA300381ApublicationCriticalpatent/ATA300381A/en
Application grantedgrantedCritical
Publication of AT374211BpublicationCriticalpatent/AT374211B/en