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Publication of SU373962A1publicationCriticalpatent/SU373962A1/ru
Application filed by Д.М. Золотухин, Э.М. ФигерfiledCriticalД.М. Золотухин
Priority to SU145866ApriorityCriticalpatent/SU39355A1/ru
Application grantedgrantedCritical
Publication of SU39355A1publicationCriticalpatent/SU39355A1/ru