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Application filed by Arkadij S Gorlatov, Vera V Timofeeva, Sergej M MakarovfiledCriticalArkadij S Gorlatov
Priority to SU772499080ApriorityCriticalpatent/SU757394A2/en
Application grantedgrantedCritical
Publication of SU757394A2publicationCriticalpatent/SU757394A2/en