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 Inst Mat OgniotrwalychfiledCriticalInst Mat Ogniotrwalych
Priority to PL19424476ApriorityCriticalpatent/PL111545B1/pl
Publication of PL194244A1publicationCriticalpatent/PL194244A1/pl
Publication of PL111545B1publicationCriticalpatent/PL111545B1/pl