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
Priority claimed from CS866073Aexternal-prioritypatent/CS260295B1/en
Application filed by Macho Vendelin, Balak Jiri, Svoboda JoseffiledCriticalMacho Vendelin
Priority to CS647286ApriorityCriticalpatent/CS261652B3/en
Publication of CS647286A1publicationCriticalpatent/CS647286A1/en
Publication of CS261652B3publicationCriticalpatent/CS261652B3/en