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 Vladislav Z Karapetyants, Dmitrij A Tutolmin, Makarov YurijfiledCriticalVladislav Z Karapetyants
Priority to SU802975713ApriorityCriticalpatent/SU914146A2/en
Application grantedgrantedCritical
Publication of SU914146A2publicationCriticalpatent/SU914146A2/en