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 Petkova, StojanovfiledCriticalPetkova
Priority to BG7376386ApriorityCriticalpatent/BG41585A1/en
Publication of BG41585A1publicationCriticalpatent/BG41585A1/en