Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by А. И. Беклемищев, В. М. Власенко , Г. Д. ТашкиновfiledCriticalА. И. Беклемищев, В. М. Власенко , Г. Д. Ташкинов
Priority to SU1968274ApriorityCriticalpatent/SU453727A1/ru
Application grantedgrantedCritical
Publication of SU453727A1publicationCriticalpatent/SU453727A1/ru