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Application filed by Aleksandr P Borshchev, Elena E Fedotova, Nina A Zhdanova, Evgenij P Litvinov, Lev P Perepechkin, Emil M Ajzenshtejn, Yurij A Fedotov, Zotova Nataliya, Aleksandr E Polotskij, Vyacheslav E MikhajlovfiledCriticalAleksandr P Borshchev
Priority to SU884623118ApriorityCriticalpatent/SU1670026A1/en
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Publication of SU1670026A1publicationCriticalpatent/SU1670026A1/en