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Priority claimed from DE2219753Aexternal-prioritypatent/DE2219753A1/en
Application filed by Utva Fabrika AvionafiledCriticalUtva Fabrika Aviona
Priority to AT39875ApriorityCriticalpatent/AT334173B/en
Application grantedgrantedCritical
Publication of AT334173BpublicationCriticalpatent/AT334173B/en
Publication of ATA39875ApublicationCriticalpatent/ATA39875A/en