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Priority claimed from DE2061027Aexternal-prioritypatent/DE2061027C3/en
Priority claimed from AT2975*#Aexternal-prioritypatent/AT334503B/en
Application filed by Hegler WilhelmfiledCriticalHegler Wilhelm
Publication of ATA934375ApublicationCriticalpatent/ATA934375A/en
Application grantedgrantedCritical
Publication of AT346574BpublicationCriticalpatent/AT346574B/en