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Priority claimed from DE2413514Aexternal-prioritypatent/DE2413514C3/de
Application filed by Hoechst AgfiledCriticalHoechst Ag
Priority to AT729978ApriorityCriticalpatent/AT361500B/de
Publication of ATA729978ApublicationCriticalpatent/ATA729978A/de
Application grantedgrantedCritical
Publication of AT361500BpublicationCriticalpatent/AT361500B/de