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Application filed by Boris N Guskov, Viktor V Kazakov, Jurij A Ksenofontov, Jurij A Laskov, Alexandr M Mascerjakov, Boris B Puskin, Jevgenija A Sumilkina, Alexandr N JakuninfiledCriticalBoris N Guskov
Priority to CS843744ApriorityCriticalpatent/CS259022B1/en
Publication of CS374484A1publicationCriticalpatent/CS374484A1/en
Publication of CS259022B1publicationCriticalpatent/CS259022B1/en