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 Uralsky Politekhn InstfiledCriticalUralsky Politekhn Inst
Priority to SU884498174ApriorityCriticalpatent/SU1590909A1/en
Application grantedgrantedCritical
Publication of SU1590909A1publicationCriticalpatent/SU1590909A1/en