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Application filed by Glowny Instytut GornictwafiledCriticalGlowny Instytut Gornictwa
Priority to PL20084577ApriorityCriticalpatent/PL108762B1/pl
Publication of PL200845A1publicationCriticalpatent/PL200845A1/pl
Publication of PL108762B1publicationCriticalpatent/PL108762B1/pl