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Publication date
Priority claimed from DE2508749Aexternal-prioritypatent/DE2508749C2/de
Priority claimed from DE2544177Aexternal-prioritypatent/DE2544177C2/de
Priority claimed from AT77476Aexternal-prioritypatent/AT347366B/de
Application filed by Theo StaehlerfiledCriticalTheo Staehler
Priority to AT17178ApriorityCriticalpatent/AT369622B/de
Publication of ATA17178ApublicationCriticalpatent/ATA17178A/de
Application grantedgrantedCritical
Publication of AT369622BpublicationCriticalpatent/AT369622B/de