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 Elen G Vuldzhev, Mariana N Perifanova, Tatjana D PetrovafiledCriticalElen G Vuldzhev
Priority to BG8199387ApriorityCriticalpatent/BG45129A1/xx
Publication of BG45129A1publicationCriticalpatent/BG45129A1/xx