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 Marek Jaroslav, Jindrich CrhafiledCriticalMarek Jaroslav
Priority to CS871689ApriorityCriticalpatent/CS265927B1/en
Publication of CS168987A1publicationCriticalpatent/CS168987A1/en
Publication of CS265927B1publicationCriticalpatent/CS265927B1/en