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Application filed by Lev M Kijatis, Michail M Zacharov, Vladimir D Rajevskij, Viktor G Osipov, Michail I Oser, Lidija M Ivanova, Leonid P Minenko, Oleg V Bobrysev, Nikolaj P PljaninfiledCriticalLev M Kijatis
Priority to CS831578ApriorityCriticalpatent/CS245484B1/en
Publication of CS157883A1publicationCriticalpatent/CS157883A1/en
Publication of CS245484B1publicationCriticalpatent/CS245484B1/en