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Application filed by М.Е. Гильяшев, шев М.Е. ГильfiledCriticalМ.Е. Гильяшев
Priority to SU143372ApriorityCriticalpatent/SU42130A1/en
Application grantedgrantedCritical
Publication of SU42130A1publicationCriticalpatent/SU42130A1/en