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 Eduard T Gorbenko, Vladimir L KoshkinfiledCriticalEduard T Gorbenko
Priority to SU833664939ApriorityCriticalpatent/SU1154653A1/en
Application grantedgrantedCritical
Publication of SU1154653A1publicationCriticalpatent/SU1154653A1/en