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 Klima, Alexander WinklerfiledCriticalJiri Klima
Priority to CS548885ApriorityCriticalpatent/CS254068B3/cs
Publication of CS548885A1publicationCriticalpatent/CS548885A1/cs
Publication of CS254068B3publicationCriticalpatent/CS254068B3/cs