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Priority claimed from DE2363139Aexternal-prioritypatent/DE2363139A1/en
Priority claimed from CS742370Aexternal-prioritypatent/CS189629B2/en
Application filed by Bayer AgfiledCriticalBayer Ag
Priority to CS773955ApriorityCriticalpatent/CS189648B2/en
Publication of CS189648B2publicationCriticalpatent/CS189648B2/en