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 Zheljazkova, Sariev, Koralska, JanchevafiledCriticalZheljazkova
Priority to BG8254914ApriorityCriticalpatent/BG33609A1/en
Publication of BG33609A1publicationCriticalpatent/BG33609A1/en