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 Paweł Marczak, Jerzy DąbrowskifiledCriticalPaweł Marczak
Priority to PL386862ApriorityCriticalpatent/PL217956B1/pl
Publication of PL386862A1publicationCriticalpatent/PL386862A1/pl
Publication of PL217956B1publicationCriticalpatent/PL217956B1/pl