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Priority claimed from DE2705802Aexternal-prioritypatent/DE2705802C2/de
Application filed by Winkhaus Fa AugustfiledCriticalWinkhaus Fa August
Priority to AT399880ApriorityCriticalpatent/AT367504B/de
Publication of ATA399880ApublicationCriticalpatent/ATA399880A/de
Application grantedgrantedCritical
Publication of AT367504BpublicationCriticalpatent/AT367504B/de