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 Новополоцкий политехнический институтfiledCriticalНовополоцкий политехнический институт
Priority to SU762427029ApriorityCriticalpatent/SU630043A1/ru
Application grantedgrantedCritical
Publication of SU630043A1publicationCriticalpatent/SU630043A1/ru