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 Jurij N Konovalcenko, Nikolaj S Gluskov, Gennadij V SemenovfiledCriticalJurij N Konovalcenko
Priority to CS862347ApriorityCriticalpatent/CS234786A1/en
Publication of CS234786A1publicationCriticalpatent/CS234786A1/en