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 Kh Videkov, Filip I FilipovfiledCriticalValentin Kh Videkov
Priority to BG8291288ApriorityCriticalpatent/BG45373A1/xx
Publication of BG45373A1publicationCriticalpatent/BG45373A1/xx