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Application filed by Yurij F Koval, Aleksej A Opalev, Petr V Neustroev, Vyacheslav L StepanovfiledCriticalYurij F Koval
Priority to SU894722630ApriorityCriticalpatent/SU1727543A3/en
Application grantedgrantedCritical
Publication of SU1727543A3publicationCriticalpatent/SU1727543A3/en