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Priority claimed from DE2215539Aexternal-prioritypatent/DE2215539C2/de
Priority claimed from IN635/CAL/1973Aexternal-prioritypatent/IN138568B/en
Application filed by Bayer AgfiledCriticalBayer Ag
Priority to IN198/CAL/75ApriorityCriticalpatent/IN138647B/en
Publication of IN138647BpublicationCriticalpatent/IN138647B/en