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 Sev Zap Otdel Vni Pk I VnipienfiledCriticalSev Zap Otdel Vni Pk I Vnipien
Priority to SU884391565ApriorityCriticalpatent/SU1592710A1/ru
Application grantedgrantedCritical
Publication of SU1592710A1publicationCriticalpatent/SU1592710A1/ru