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 Janout Vaclav, Dzidra R Tur, Cefelin Pavel, Svetlana V Prof Vinogradova, Natalja P ProvotorovafiledCriticalJanout Vaclav
Priority to CS845891ApriorityCriticalpatent/CS241789B1/en
Publication of CS589184A1publicationCriticalpatent/CS589184A1/en
Publication of CS241789B1publicationCriticalpatent/CS241789B1/en