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 Ivan Kh Najjdenov, Georgi M Metev, Georgi K Petkov, Plamen D Filipovski, Stefan S Dragnev, Rzakov Valentin Jj B, Nadka M Milcheva, Nikola M Necov, Venelin Zh ZhelevfiledCriticalIvan Kh Najjdenov
Priority to BG7652386ApriorityCriticalpatent/BG45263A1/xx
Publication of BG45263A1publicationCriticalpatent/BG45263A1/xx
