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 Vitalij J Djakov, Valentina D Nikitina, Michail A Jakovlev, Alexandr J Semjonov, Serafim N Suturin, Lidija I Jurcenko, Ivan M Selivanov, Tamara I Tumanova, Ivan J Andrejev, Sergej A Alexejev, Nikolaj S GrebennikovfiledCriticalVitalij J Djakov
Priority to CS181377ApriorityCriticalpatent/CS185781B1/cs
Publication of CS185781B1publicationCriticalpatent/CS185781B1/cs