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 Z Tazkeho StrojarstvafiledCriticalZ Tazkeho Strojarstva
Priority to CS904483ApriorityCriticalpatent/CS448390A3/en
Priority to SK4483-90Aprioritypatent/SK278956B6/en
Publication of CS448390A3publicationCriticalpatent/CS448390A3/en