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Priority claimed from DE2719266Aexternal-prioritypatent/DE2719266C2/en
Application filed by Nagy JohannfiledCriticalNagy Johann
Priority to AT411779ApriorityCriticalpatent/AT362653B/en
Application grantedgrantedCritical
Publication of ATA411779ApublicationCriticalpatent/ATA411779A/en
Publication of AT362653BpublicationCriticalpatent/AT362653B/en