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 Picha Frantisek, Belusa Jindrich, Dusek Jiri, Hruskova Vera, Radovan Kozisek, Vaclav DaleckyfiledCriticalPicha Frantisek
Priority to CS665688ApriorityCriticalpatent/CS274219B1/en
Publication of CS665688A1publicationCriticalpatent/CS665688A1/en
Publication of CS274219B1publicationCriticalpatent/CS274219B1/en