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Application filed by Aleksandr L Belogorskij, Anvar M Minishev, Rishat A Minishev, Shakir L SharipovfiledCriticalAleksandr L Belogorskij
Priority to SU833553449ApriorityCriticalpatent/SU1148138A1/en
Application grantedgrantedCritical
Publication of SU1148138A1publicationCriticalpatent/SU1148138A1/en