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 Todor A Stoilov, Georgi V ShejjtanovfiledCriticalTodor A Stoilov
Priority to BG7697286ApriorityCriticalpatent/BG44844A1/xx
Publication of BG44844A1publicationCriticalpatent/BG44844A1/xx