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 Krstev, Dimitrov, Drenczev, ViczevfiledCriticalKrstev
Priority to BG7600033430ApriorityCriticalpatent/BG23811A1/en
Publication of BG23811A1publicationCriticalpatent/BG23811A1/en