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 Li S Dzhon, Toshko S ToshkovfiledCriticalLi S Dzhon
Priority to BG8195587ApriorityCriticalpatent/BG44781A1/xx
Publication of BG44781A1publicationCriticalpatent/BG44781A1/xx