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 Б.Р. ЛазаренкоfiledCriticalБ.Р. Лазаренко
Priority to SU47260ApriorityCriticalpatent/SU63803A1/en
Application grantedgrantedCritical
Publication of SU63803A1publicationCriticalpatent/SU63803A1/en