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 Rabil Mark A, Grishin VladimirfiledCriticalRabil Mark A
Priority to SU731977328ApriorityCriticalpatent/SU588122A1/en
Application grantedgrantedCritical
Publication of SU588122A1publicationCriticalpatent/SU588122A1/en