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Publication date
Application filed by С.Б. Анисимов, Ф.В. ПолозовfiledCriticalС.Б. Анисимов
Priority to SU??-9449ApriorityCriticalpatent/SU52082A1/ru
Application grantedgrantedCritical
Publication of SU52082A1publicationCriticalpatent/SU52082A1/ru