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 Nikolaj A Goryajnov, Konstantin A Popov, Georgij V PechenkinfiledCriticalNikolaj A Goryajnov
Priority to SU833626842ApriorityCriticalpatent/SU1157694A1/en
Application grantedgrantedCritical
Publication of SU1157694A1publicationCriticalpatent/SU1157694A1/en