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 Bondarchik Evgenij N, Kononov Valentin A, Koshman Vitalij S, Okonenko Ivan F, Sokolov Nikolaj GfiledCriticalBondarchik Evgenij N
Priority to SU6501011249ApriorityCriticalpatent/SU579051A1/ru
Application grantedgrantedCritical
Publication of SU579051A1publicationCriticalpatent/SU579051A1/ru