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Priority claimed from DE2050012Aexternal-prioritypatent/DE2050012C3/de
Application filed by Hoechst AgfiledCriticalHoechst Ag
Priority to AT84074ApriorityCriticalpatent/AT342414B/de
Publication of ATA84074ApublicationCriticalpatent/ATA84074A/de
Application grantedgrantedCritical
Publication of AT342414BpublicationCriticalpatent/AT342414B/de