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 Kyzlink, Frantisek Ing Jeglik, Milos OdehnalfiledCriticalJosef Kyzlink
Priority to CS865017ApriorityCriticalpatent/CS261467B1/en
Publication of CS501786A1publicationCriticalpatent/CS501786A1/en
Publication of CS261467B1publicationCriticalpatent/CS261467B1/en