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 Univ SlaskifiledCriticalUniv Slaski
Priority to PL29281991ApriorityCriticalpatent/PL168398B1/en
Publication of PL292819A1publicationCriticalpatent/PL292819A1/en
Publication of PL168398B1publicationCriticalpatent/PL168398B1/en