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 Jiri Marecka, Leos Ing KuchrcikfiledCriticalJiri Marecka
Priority to CS842962ApriorityCriticalpatent/CS239749B1/en
Publication of CS296284A1publicationCriticalpatent/CS296284A1/en
Publication of CS239749B1publicationCriticalpatent/CS239749B1/en