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 filedfiledCritical
Priority to SU4603581ApriorityCriticalpatent/SU1585802A2/ru
Application grantedgrantedCritical
Publication of SU1585802ApublicationCriticalpatent/SU1585802A/ru
Publication of SU1585802A2publicationCriticalpatent/SU1585802A2/ru