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 Petr Rndr Cizek, Jiri Rndr Csc Englich, Milos Ing PfefferfiledCriticalPetr Rndr Cizek
Priority to CS834309ApriorityCriticalpatent/CS237726B1/cs
Publication of CS430983A1publicationCriticalpatent/CS430983A1/cs
Publication of CS237726B1publicationCriticalpatent/CS237726B1/cs