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 Eugeniusz PieszkafiledCriticalEugeniusz Pieszka
Priority to PL28117589ApriorityCriticalpatent/PL281175A1/en
Publication of PL281175A1publicationCriticalpatent/PL281175A1/en