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 Vlchev Vladimir I, Evda Kh Petkova, Stojan P Stojanov, Atanas I Savov, Marija I Paskaleva, Stefan N MarkovfiledCriticalVlchev Vladimir I
Priority to BG7603186ApriorityCriticalpatent/BG44483A1/en
Publication of BG44483A1publicationCriticalpatent/BG44483A1/en