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Application filed by Glowny Instytut GornictwafiledCriticalGlowny Instytut Gornictwa
Priority to PL24541683ApriorityCriticalpatent/PL141937B3/en
Publication of PL245416A3publicationCriticalpatent/PL245416A3/en
Publication of PL141937B3publicationCriticalpatent/PL141937B3/en