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 Viktor D Kolesnik, Sergej L Portnoj, Aleksandr S Danilin, Arkadij L DejchfiledCriticalViktor D Kolesnik
Priority to SU874309662ApriorityCriticalpatent/SU1568247A1/ru
Application grantedgrantedCritical
Publication of SU1568247A1publicationCriticalpatent/SU1568247A1/ru