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 Ryszard NowojewskifiledCriticalRyszard Nowojewski
Priority to PL28721690ApriorityCriticalpatent/PL162371B2/en
Publication of PL287216A2publicationCriticalpatent/PL287216A2/en
Publication of PL162371B2publicationCriticalpatent/PL162371B2/en