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 Raba Frantisek, Zdenek SebekfiledCriticalRaba Frantisek
Priority to CS8710075ApriorityCriticalpatent/CS266870B1/en
Publication of CS1007587A1publicationCriticalpatent/CS1007587A1/en
Publication of CS266870B1publicationCriticalpatent/CS266870B1/en