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 Josef Ing Linhart, Novotny Petr, Jaroslav BabickyfiledCriticalJosef Ing Linhart
Priority to CS848837ApriorityCriticalpatent/CS258152B1/en
Publication of CS883784A1publicationCriticalpatent/CS883784A1/en
Publication of CS258152B1publicationCriticalpatent/CS258152B1/en