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 Henryk WencelfiledCriticalHenryk Wencel
Priority to PL121090UpriorityCriticalpatent/PL67185Y1/pl
Publication of PL121090U1publicationCriticalpatent/PL121090U1/pl
Publication of PL67185Y1publicationCriticalpatent/PL67185Y1/pl