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 Macak Jan, Sotona Vladimir, Janecek Miroslav, Mistrik Pavel, Kohout JanfiledCriticalMacak Jan
Priority to CS88741ApriorityCriticalpatent/CS266071B1/en
Publication of CS74188A1publicationCriticalpatent/CS74188A1/en
Publication of CS266071B1publicationCriticalpatent/CS266071B1/en