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 PL25273685ApriorityCriticalpatent/PL146712B1/en
Publication of PL252736A1publicationCriticalpatent/PL252736A1/en
Publication of PL146712B1publicationCriticalpatent/PL146712B1/en