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Application filed by Boris M Buchtev, Vladimir P Grudinin, Michail A Ivanov, Vladimir A Ischanov, Marina A Lomova, Arkadij F LicutinfiledCriticalBoris M Buchtev
Priority to CS812661ApriorityCriticalpatent/CS237221B1/en
Publication of CS266181A1publicationCriticalpatent/CS266181A1/en
Publication of CS237221B1publicationCriticalpatent/CS237221B1/en