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Priority claimed from DE2400430Aexternal-prioritypatent/DE2400430A1/de
Priority claimed from AT575Aexternal-prioritypatent/AT341112B/de
Application filed by Horstmann Georg IngfiledCriticalHorstmann Georg Ing
Priority to AT977ApriorityCriticalpatent/AT341113B/de
Publication of ATA977ApublicationCriticalpatent/ATA977A/de
Application grantedgrantedCritical
Publication of AT341113BpublicationCriticalpatent/AT341113B/de