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 Slancar Ludvik, Tetour Zdenek, Safek Miroslav, Kiril Ing TrencevfiledCriticalSlancar Ludvik
Priority to CS891969ApriorityCriticalpatent/CS196989A2/en
Publication of CS196989A2publicationCriticalpatent/CS196989A2/en