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Priority claimed from DE19772737195external-prioritypatent/DE2737195A1/de
Application filed by Hoechst AgfiledCriticalHoechst Ag
Priority to AT541181ApriorityCriticalpatent/AT374454B/de
Publication of ATA541181ApublicationCriticalpatent/ATA541181A/de
Application grantedgrantedCritical
Publication of AT374454BpublicationCriticalpatent/AT374454B/de