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 Petar Ing Csc Svoboda, Zdenek Viterna, Vlastislav NeveselyfiledCriticalPetar Ing Csc Svoboda
Priority to CS886075ApriorityCriticalpatent/CS269404B1/en
Publication of CS607588A1publicationCriticalpatent/CS607588A1/en
Publication of CS269404B1publicationCriticalpatent/CS269404B1/en