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Application filed by Glowny Instytut GornictwafiledCriticalGlowny Instytut Gornictwa
Priority to PL19992377ApriorityCriticalpatent/PL106677B1/en
Publication of PL199923A1publicationCriticalpatent/PL199923A1/en
Publication of PL106677B1publicationCriticalpatent/PL106677B1/en