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 Н.Е. Логинов, Т.В. Полянский, нский Т.В. ПолfiledCriticalН.Е. Логинов
Priority to SU3568ApriorityCriticalpatent/SU65779A1/ru
Application grantedgrantedCritical
Publication of SU65779A1publicationCriticalpatent/SU65779A1/ru