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 Stefan CupialfiledCriticalStefan Cupial
Priority to PL112983UpriorityCriticalpatent/PL63362Y1/en
Publication of PL112983U1publicationCriticalpatent/PL112983U1/en
Publication of PL63362Y1publicationCriticalpatent/PL63362Y1/en