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 Valentin Ch Najjdenov, Stojjko P Peev, Georgi M Vasilev, Liljana A Popova, Ivan D KaparovfiledCriticalValentin Ch Najjdenov
Priority to BG8266588ApriorityCriticalpatent/BG45157A1/xx
Publication of BG45157A1publicationCriticalpatent/BG45157A1/xx