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 Miroslav Hutta, Ladislav Hes, Zdenek SpacekfiledCriticalMiroslav Hutta
Priority to CS13068ApriorityCriticalpatent/CS191402B1/en
Publication of CS191402B1publicationCriticalpatent/CS191402B1/en