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 PL28726690ApriorityCriticalpatent/PL162175B1/en
Publication of PL287266A1publicationCriticalpatent/PL287266A1/en
Publication of PL162175B1publicationCriticalpatent/PL162175B1/en