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 Janusz Zalewski, Antoni WilmafiledCriticalJanusz Zalewski
Priority to PL10648493UpriorityCriticalpatent/PL55932Y1/en
Publication of PL55932Y1publicationCriticalpatent/PL55932Y1/en