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 Henek Milan, Frantisek Ing StanofiledCriticalHenek Milan
Priority to CS879658ApriorityCriticalpatent/CS268221B1/en
Publication of CS965887A1publicationCriticalpatent/CS965887A1/en
Publication of CS268221B1publicationCriticalpatent/CS268221B1/en