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 Odlewnictwa MhipmfiledCriticalInst Odlewnictwa Mhipm
Priority to PL23607482ApriorityCriticalpatent/PL128936B2/en
Publication of PL236074A2publicationCriticalpatent/PL236074A2/en
Publication of PL128936B2publicationCriticalpatent/PL128936B2/en