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 Vlastimil Doc Ing Csc Hutla, Jaroslav HajekfiledCriticalVlastimil Doc Ing Csc Hutla
Priority to CS876248ApriorityCriticalpatent/CS265394B1/cs
Publication of CS624887A1publicationCriticalpatent/CS624887A1/cs
Publication of CS265394B1publicationCriticalpatent/CS265394B1/cs