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 Vaclav Votapek, Josef Kohout, Stanislav Simek, Jiri Cedik, Otakar PracharfiledCriticalVaclav Votapek
Priority to CS310677ApriorityCriticalpatent/CS190937B1/en
Publication of CS190937B1publicationCriticalpatent/CS190937B1/en