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 PL29325492ApriorityCriticalpatent/PL166593B1/en
Publication of PL293254A1publicationCriticalpatent/PL293254A1/en
Publication of PL166593B1publicationCriticalpatent/PL166593B1/en