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Priority claimed from DE2615229Aexternal-prioritypatent/DE2615229C2/de
Application filed by Hoechst AgfiledCriticalHoechst Ag
Priority to AT271079ApriorityCriticalpatent/AT366364B/de
Publication of ATA271079ApublicationCriticalpatent/ATA271079A/de
Application grantedgrantedCritical
Publication of AT366364BpublicationCriticalpatent/AT366364B/de