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 Dukov, Vlev, Dedinski, Markov, KumpilovfiledCriticalDukov
Priority to BG6237983ApriorityCriticalpatent/BG37731A1/en
Publication of BG37731A1publicationCriticalpatent/BG37731A1/en