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 Maruna Zdenek, Koula JirifiledCriticalMaruna Zdenek
Priority to CS874513ApriorityCriticalpatent/CS262991B1/en
Publication of CS451387A1publicationCriticalpatent/CS451387A1/en
Publication of CS262991B1publicationCriticalpatent/CS262991B1/en