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Priority claimed from DE2634539Aexternal-prioritypatent/DE2634539C2/de
Application filed by Hoechst AgfiledCriticalHoechst Ag
Priority to AT113279ApriorityCriticalpatent/AT360555B/de
Publication of ATA113279ApublicationCriticalpatent/ATA113279A/de
Application grantedgrantedCritical
Publication of AT360555BpublicationCriticalpatent/AT360555B/de