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 Inst Metali NiezelaznychfiledCriticalInst Metali Niezelaznych
Priority to PL25421985ApriorityCriticalpatent/PL144316B1/en
Publication of PL254219A1publicationCriticalpatent/PL254219A1/en
Publication of PL144316B1publicationCriticalpatent/PL144316B1/en