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Application filed by Aleksandr I Burdukovskij, Yakov A Gojkhman, Ivan I Nikiforov, Gennadij A Smirnov, Vadim P Yakimov, Valentin K SvirshchevskijfiledCriticalAleksandr I Burdukovskij
Priority to SU915020196ApriorityCriticalpatent/RU1833451C/en
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Publication of RU1833451CpublicationCriticalpatent/RU1833451C/en