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 Hrstka Pavel, Hudecek MirkofiledCriticalHrstka Pavel
Priority to CS883094ApriorityCriticalpatent/CS267527B1/en
Publication of CS309488A1publicationCriticalpatent/CS309488A1/en
Publication of CS267527B1publicationCriticalpatent/CS267527B1/en