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 Igor M Vertjacik, Jurij I Voronezcev, Viktor A Goldade, Leonid S Pincuk, Semen J Recic, Semen J LibermanfiledCriticalIgor M Vertjacik
Priority to CS856693ApriorityCriticalpatent/CS266484B1/en
Publication of CS669385A1publicationCriticalpatent/CS669385A1/en
Publication of CS266484B1publicationCriticalpatent/CS266484B1/en