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 Zdenek Doc Ing Csc Hladky, Garaj Jan, Juliana Ing Csc Risova, Kovac Jaroslav, Ladislav Bartalos, Waradzin Walter, Kiss GabrielfiledCriticalZdenek Doc Ing Csc Hladky
Priority to CS873162ApriorityCriticalpatent/CS261836B1/en
Publication of CS316287A1publicationCriticalpatent/CS316287A1/en
Publication of CS261836B1publicationCriticalpatent/CS261836B1/en