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Priority claimed from DE2658992Aexternal-prioritypatent/DE2658992C2/de
Priority claimed from AT337777Aexternal-prioritypatent/AT359892B/de
Application filed by Wunder Kg HeinrichfiledCriticalWunder Kg Heinrich
Priority to AT478779ApriorityCriticalpatent/AT361825B/de
Publication of ATA478779ApublicationCriticalpatent/ATA478779A/de
Application grantedgrantedCritical
Publication of AT361825BpublicationCriticalpatent/AT361825B/de