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Application filed by Glowny Instytut GornictwafiledCriticalGlowny Instytut Gornictwa
Priority to PL19787077ApriorityCriticalpatent/PL102420B1/pl
Publication of PL197870A1publicationCriticalpatent/PL197870A1/pl
Publication of PL102420B1publicationCriticalpatent/PL102420B1/pl