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 Polskie Gornictwo NaftowefiledCriticalPolskie Gornictwo Naftowe
Priority to PL95311804ApriorityCriticalpatent/PL177408B1/en
Publication of PL311804A1publicationCriticalpatent/PL311804A1/en
Publication of PL177408B1publicationCriticalpatent/PL177408B1/en