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Application filed by Leonid M Chapajkin, Ostrovskij Vladimir, Elena A Suvorova, Gennadij M Kuvshinov, Merkulov Vitalij, Yurij V Goryainov, Lisin YurijfiledCriticalLeonid M Chapajkin
Priority to SU884399306ApriorityCriticalpatent/SU1592311A1/en
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