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 Kostov, CankovfiledCriticalKostov
Priority to BG6957285ApriorityCriticalpatent/BG39752A1/en
Publication of BG39752A1publicationCriticalpatent/BG39752A1/en