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Priority claimed from NO48/72Aexternal-prioritypatent/NO133929C/no
Application filed by Parmann GunnarfiledCriticalParmann Gunnar
Priority to AT919877ApriorityCriticalpatent/AT358271B/en
Publication of ATA919877ApublicationCriticalpatent/ATA919877A/en
Application grantedgrantedCritical
Publication of AT358271BpublicationCriticalpatent/AT358271B/en