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 Aleksandr G MatveevfiledCriticalAleksandr G Matveev
Priority to SU833716242ApriorityCriticalpatent/SU1155958A1/en
Application grantedgrantedCritical
Publication of SU1155958A1publicationCriticalpatent/SU1155958A1/en