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Priority claimed from DE19681768727external-prioritypatent/DE1768727B2/de
Priority claimed from DE19681768931external-prioritypatent/DE1768931C3/de
Priority claimed from DE19681793131external-prioritypatent/DE1793131C3/de
Application filed by Hoechst AgfiledCriticalHoechst Ag
Publication of YU236568ApublicationCriticalpatent/YU236568A/xx
Publication of YU32525BpublicationCriticalpatent/YU32525B/xx