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 PL24993384ApriorityCriticalpatent/PL141179B1/en
Publication of PL249933A1publicationCriticalpatent/PL249933A1/en
Publication of PL141179B1publicationCriticalpatent/PL141179B1/en