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 Gornictwa Odkrywkowego PofiledCriticalInst Gornictwa Odkrywkowego Po
Priority to PL98328931ApriorityCriticalpatent/PL187042B1/en
Publication of PL328931A1publicationCriticalpatent/PL328931A1/en
Publication of PL187042B1publicationCriticalpatent/PL187042B1/en