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 Vlkov, Vlkova, Djulgerov, DelchevfiledCriticalVlkov
Priority to BG5901183ApriorityCriticalpatent/BG35376A1/en
Publication of BG35376A1publicationCriticalpatent/BG35376A1/en