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Application filed by Glowny Instytut GornictwafiledCriticalGlowny Instytut Gornictwa
Priority to PL19874777ApriorityCriticalpatent/PL102370B1/pl
Publication of PL198747A1publicationCriticalpatent/PL198747A1/pl
Publication of PL102370B1publicationCriticalpatent/PL102370B1/pl