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 Ljudmil Z Kokonchev, Ilcho M Angelov, Milcho M Petrov, Ljubomir K Urshev, Andrejj S JanevfiledCriticalLjudmil Z Kokonchev
Priority to BG7924887ApriorityCriticalpatent/BG44860A1/xx
Publication of BG44860A1publicationCriticalpatent/BG44860A1/xx