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Application filed by Petr P Vasilev, Igor E Igolkin, Yulij M Rabinovich, Petr A Fedorov, Vitalij D ShereshevskijfiledCriticalPetr P Vasilev
Priority to SU833578610ApriorityCriticalpatent/SU1152562A1/en
Application grantedgrantedCritical
Publication of SU1152562A1publicationCriticalpatent/SU1152562A1/en