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 Zakl Azotowe Im F DzierzynskfiledCriticalZakl Azotowe Im F Dzierzynsk
Priority to PL28084089ApriorityCriticalpatent/PL159995B1/en
Publication of PL280840A1publicationCriticalpatent/PL280840A1/en
Publication of PL159995B1publicationCriticalpatent/PL159995B1/en