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 В.А. ЕжовfiledCriticalВ.А. Ежов
Priority to SU3568287/13ApriorityCriticalpatent/SU1179659A1/en
Application grantedgrantedCritical
Publication of SU1179659A1publicationCriticalpatent/SU1179659A1/en