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 Yurij A Korostelev, Igor Krivonosov, Viktor P RudnevfiledCriticalYurij A Korostelev
Priority to SU772461505ApriorityCriticalpatent/SU675221A1/en
Application grantedgrantedCritical
Publication of SU675221A1publicationCriticalpatent/SU675221A1/en