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 Petr I Gvozdjak, Vera M Udod, Vladimir L Beljajev, Josif I Manuljak, Orest I Sidljarcuk, Natalja I PodorvanfiledCriticalPetr I Gvozdjak
Priority to CS867970ApriorityCriticalpatent/CS797086A1/en
Publication of CS797086A1publicationCriticalpatent/CS797086A1/en