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 Lev A Volochonskij, Michail A Kisselman, Alexandr L Cikerman, Vladimir N Kurlikin, Jurij P Petruchin, Alexandr I Cernak, Michail I Vlasov, Alexandr L Andrejev, Valerij A Bobin, Anatolij M Skrebcov, Leon Z CygurovfiledCriticalLev A Volochonskij
Priority to CS849404ApriorityCriticalpatent/CS940484A1/en
Priority to DD84270703Aprioritypatent/DD256237A3/en
Publication of CS940484A1publicationCriticalpatent/CS940484A1/en