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Priority claimed from DE2347782Aexternal-prioritypatent/DE2347782C3/de
Application filed by Bayer AgfiledCriticalBayer Ag
Publication of FI782283ApublicationCriticalpatent/FI782283A/fi
Publication of FI58158BpublicationCriticalpatent/FI58158B/fi
Application grantedgrantedCritical
Publication of FI58158CpublicationCriticalpatent/FI58158C/fi