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 Jiri Ing Urbanec, Marek JanfiledCriticalJiri Ing Urbanec
Priority to CS875584ApriorityCriticalpatent/CS261306B1/en
Publication of CS558487A1publicationCriticalpatent/CS558487A1/en
Publication of CS261306B1publicationCriticalpatent/CS261306B1/en