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Publication of SU384241A1publicationCriticalpatent/SU384241A1/ru
Application filed by Д.Н. ТанаевfiledCriticalД.Н. Танаев
Priority to SU146115ApriorityCriticalpatent/SU42327A1/ru
Application grantedgrantedCritical
Publication of SU42327A1publicationCriticalpatent/SU42327A1/ru