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 Kubacek, Ondrej SvecfiledCriticalZdenek Kubacek
Priority to CS776073ApriorityCriticalpatent/CS179009B1/cs
Publication of CS179009B1publicationCriticalpatent/CS179009B1/cs