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 Venelin Kh Stojanov, Stefan A Khristov, Mladenka N Kostova, Georgi S Dojjchev, Ivan G IvanovfiledCriticalVenelin Kh Stojanov
Priority to BG8110187ApriorityCriticalpatent/BG44589A1/xx
Publication of BG44589A1publicationCriticalpatent/BG44589A1/xx