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Priority claimed from DE2232541Aexternal-prioritypatent/DE2232541C3/en
Application filed by Bayer AgfiledCriticalBayer Ag
Priority to AT17974ApriorityCriticalpatent/AT334313B/en
Application grantedgrantedCritical
Publication of AT334313BpublicationCriticalpatent/AT334313B/en
Publication of ATA17974ApublicationCriticalpatent/ATA17974A/en