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Priority claimed from DE2413877Aexternal-prioritypatent/DE2413877C3/de
Application filed by Hegler WilhelmfiledCriticalHegler Wilhelm
Priority to AT0286577ApriorityCriticalpatent/AT368069B/de
Publication of ATA286577ApublicationCriticalpatent/ATA286577A/de
Application grantedgrantedCritical
Publication of AT368069BpublicationCriticalpatent/AT368069B/de