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Application filed by М.И. Данилина, Е.В. Рогинская, Е.В. РогинскаfiledCriticalМ.И. Данилина
Priority to SU0206ApriorityCriticalpatent/SU72118A1/en
Application grantedgrantedCritical
Publication of SU72118A1publicationCriticalpatent/SU72118A1/en