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 Macho Vendelin, Kavala Miroslav, Kopernicky Ivan, Eduard Ing Csc Pavlacka, Frantisek Ing HubafiledCriticalMacho Vendelin
Priority to CS821688ApriorityCriticalpatent/CS232306B1/en
Publication of CS168882A1publicationCriticalpatent/CS168882A1/en
Publication of CS232306B1publicationCriticalpatent/CS232306B1/en