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Application filed by Донбаський Гірничо-Металургійний Інститут, Донбасский горно-металлургический институтfiledCriticalДонбаський Гірничо-Металургійний Інститут
Priority to UA3979667ApriorityCriticalpatent/UA935A1/uk
Publication of UA935A1publicationCriticalpatent/UA935A1/uk