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Application filed by Sergej V Usov, Yurij S Timofeev, Sergej A Aleshin, Nikolaj A Morozov, Viktor G KonovfiledCriticalSergej V Usov
Priority to SU802964816ApriorityCriticalpatent/SU916212A2/en
Application grantedgrantedCritical
Publication of SU916212A2publicationCriticalpatent/SU916212A2/en