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 Josef Smisek, Drazdil Josef, Vladimir In BednarfiledCriticalJosef Smisek
Priority to CS864243ApriorityCriticalpatent/CS256504B1/en
Publication of CS424386A1publicationCriticalpatent/CS424386A1/en
Publication of CS256504B1publicationCriticalpatent/CS256504B1/en