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Publication date
Application filed by Ivan I Cemeris, Vasilij J Ryzkov, Nikolaj I Korotkorucko, Vilen N Kaplicnyj, Valerij V Skorobogatko, Michail J TycsukfiledCriticalIvan I Cemeris
Priority to CS847209ApriorityCriticalpatent/CS259032B1/en
Publication of CS720984A1publicationCriticalpatent/CS720984A1/en
Publication of CS259032B1publicationCriticalpatent/CS259032B1/en