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 Metalurgii Zelaza Im S StfiledCriticalInst Metalurgii Zelaza Im S St
Priority to PL24150083ApriorityCriticalpatent/PL132073B2/en
Publication of PL241500A2publicationCriticalpatent/PL241500A2/en
Publication of PL132073B2publicationCriticalpatent/PL132073B2/en