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 Kharizan D Rachev, Svetla T Stefanova, Georgi G Petrov, Petrov Petr G, Boris D AvramovfiledCriticalKharizan D Rachev
Priority to BG8109687ApriorityCriticalpatent/BG44622A1/xx
Publication of BG44622A1publicationCriticalpatent/BG44622A1/xx