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 Viliam Ing Csc Jancek, Jan Ing Gresa, Katarina Trstenska, Eva Ing BellovafiledCriticalViliam Ing Csc Jancek
Priority to CS864314ApriorityCriticalpatent/CS257131B1/en
Publication of CS431486A1publicationCriticalpatent/CS431486A1/en
Publication of CS257131B1publicationCriticalpatent/CS257131B1/en