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 Jirsa Jan, Chrz Vaclav, Sykora JirifiledCriticalJirsa Jan
Priority to CS88527ApriorityCriticalpatent/CS268238B1/en
Publication of CS52788A1publicationCriticalpatent/CS52788A1/en
Publication of CS268238B1publicationCriticalpatent/CS268238B1/en