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 Stanislav KristekfiledCriticalStanislav Kristek
Priority to CS865395ApriorityCriticalpatent/CS257986B1/en
Publication of CS539586A1publicationCriticalpatent/CS539586A1/en
Publication of CS257986B1publicationCriticalpatent/CS257986B1/en