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 Jerzy KowalczykfiledCriticalJerzy Kowalczyk
Priority to PL9837893UpriorityCriticalpatent/PL55194Y1/en
Publication of PL55194Y1publicationCriticalpatent/PL55194Y1/en