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 Instytut Metali NieżelaznychfiledCriticalInstytut Metali Nieżelaznych
Priority to PL386446ApriorityCriticalpatent/PL215688B1/pl
Publication of PL386446A1publicationCriticalpatent/PL386446A1/pl
Publication of PL215688B1publicationCriticalpatent/PL215688B1/pl