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Priority claimed from DE2235406Aexternal-prioritypatent/DE2235406C3/en
Application filed by Bayer AgfiledCriticalBayer Ag
Publication of FI792730ApublicationCriticalpatent/FI792730A/en
Publication of FI57944BpublicationCriticalpatent/FI57944B/en
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Publication of FI57944CpublicationCriticalpatent/FI57944C/en