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 Tichy Pavel, Hoang Viet, Petricek Miroslav, Stajner Karel, Hostalek Zdenek, Vladimir Ing Drsc C KrumphanzlfiledCriticalTichy Pavel
Priority to CS878303ApriorityCriticalpatent/CS271570B1/en
Publication of CS830387A1publicationCriticalpatent/CS830387A1/en
Publication of CS271570B1publicationCriticalpatent/CS271570B1/en