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 Rosica D Kurteva, Dimit R K MadzharovfiledCriticalRosica D Kurteva
Priority to BG8094687ApriorityCriticalpatent/BG44946A1/xx
Publication of BG44946A1publicationCriticalpatent/BG44946A1/xx