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 SpawalnictwafiledCriticalInst Spawalnictwa
Priority to PL28764990ApriorityCriticalpatent/PL163065B1/en
Publication of PL287649A1publicationCriticalpatent/PL287649A1/en
Publication of PL163065B1publicationCriticalpatent/PL163065B1/en