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 Atanas L Mitkov, Dimit R P Minkov, Marija Kh Veleva, Kamen E Obreshkov, Todor S Totev, Margarita K JjorgovafiledCriticalAtanas L Mitkov
Priority to BG7734286ApriorityCriticalpatent/BG42932A1/en
Publication of BG42932A1publicationCriticalpatent/BG42932A1/en