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 Nikolajj S Nikolaev, Toma I Chonkov, Velichko P VelichkovfiledCriticalNikolajj S Nikolaev
Priority to BG8167087ApriorityCriticalpatent/BG44799A1/xx
Publication of BG44799A1publicationCriticalpatent/BG44799A1/xx