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 Vit Ing HrochfiledCriticalVit Ing Hroch
Priority to CS906454ApriorityCriticalpatent/CS645490A3/en
Publication of CS645490A3publicationCriticalpatent/CS645490A3/en