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 Miroslav Vysmek, Ludmila Svozilova, Miroslav TrzilfiledCriticalMiroslav Vysmek
Priority to CS866794ApriorityCriticalpatent/CS255743B1/en
Publication of CS679486A1publicationCriticalpatent/CS679486A1/en
Publication of CS255743B1publicationCriticalpatent/CS255743B1/en