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 Franciszek GacekfiledCriticalFranciszek Gacek
Priority to PL23725382ApriorityCriticalpatent/PL237253A2/en
Publication of PL237253A2publicationCriticalpatent/PL237253A2/en