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Priority claimed from DE19702064736external-prioritypatent/DE2064736A1/de
Application filed by Hoechst AgfiledCriticalHoechst Ag
Priority to AT239374ApriorityCriticalpatent/AT330139B/en
Publication of ATA239374ApublicationCriticalpatent/ATA239374A/en
Application grantedgrantedCritical
Publication of AT330139BpublicationCriticalpatent/AT330139B/en