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Application filed by Glowny Instytut GornictwafiledCriticalGlowny Instytut Gornictwa
Priority to PL19734377ApriorityCriticalpatent/PL102885B1/pl
Publication of PL197343A1publicationCriticalpatent/PL197343A1/pl
Publication of PL102885B1publicationCriticalpatent/PL102885B1/pl