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 Saturn Kopalnia Wegla KamiennefiledCriticalSaturn Kopalnia Wegla Kamienne
Priority to PL29202191ApriorityCriticalpatent/PL292021A1/en
Publication of PL292021A1publicationCriticalpatent/PL292021A1/en