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 Kutis Vladimir, Dusan Paska, Stefan Usiak, Peter Ing KlapitafiledCriticalKutis Vladimir
Priority to CS872903ApriorityCriticalpatent/CS261411B1/en
Publication of CS290387A1publicationCriticalpatent/CS290387A1/en
Publication of CS261411B1publicationCriticalpatent/CS261411B1/en