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 Chlewinski RyszardfiledCriticalChlewinski Ryszard
Priority to PL27517888ApriorityCriticalpatent/PL158435B1/en
Publication of PL275178A1publicationCriticalpatent/PL275178A1/en
Publication of PL158435B1publicationCriticalpatent/PL158435B1/en