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Priority claimed from DE2434562Aexternal-prioritypatent/DE2434562A1/de
Priority claimed from AT548577Aexternal-prioritypatent/AT361245B/de
Application filed by Hoechst AgfiledCriticalHoechst Ag
Publication of ATA708977ApublicationCriticalpatent/ATA708977A/de
Application grantedgrantedCritical
Publication of AT352092BpublicationCriticalpatent/AT352092B/de