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 Franciszek PsiurskifiledCriticalFranciszek Psiurski
Priority to PL97319119ApriorityCriticalpatent/PL182625B1/en
Publication of PL319119A1publicationCriticalpatent/PL319119A1/en
Publication of PL182625B1publicationCriticalpatent/PL182625B1/en