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Priority claimed from DE2413514Aexternal-prioritypatent/DE2413514C3/en
Application filed by Hoechst AgfiledCriticalHoechst Ag
Priority to AT730078ApriorityCriticalpatent/AT361501B/en
Publication of ATA730078ApublicationCriticalpatent/ATA730078A/en
Application grantedgrantedCritical
Publication of AT361501BpublicationCriticalpatent/AT361501B/en