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 Vegh Daniel, Kovac Jaroslav, Frantisek Ing KrausfiledCriticalVegh Daniel
Priority to CS858212ApriorityCriticalpatent/CS255305B1/en
Publication of CS821285A1publicationCriticalpatent/CS821285A1/en
Publication of CS255305B1publicationCriticalpatent/CS255305B1/en