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 Judov, Burilkov, ChakrovfiledCriticalJudov
Priority to BG5867282ApriorityCriticalpatent/BG35066A1/en
Publication of BG35066A1publicationCriticalpatent/BG35066A1/en