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 Pavel P OzhiginfiledCriticalPavel P Ozhigin
Priority to SU864019954ApriorityCriticalpatent/SU1366098A1/en
Application grantedgrantedCritical
Publication of SU1366098A1publicationCriticalpatent/SU1366098A1/en