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Application filed by Glowny Instytut GornictwafiledCriticalGlowny Instytut Gornictwa
Priority to PL24280083ApriorityCriticalpatent/PL136005B1/en
Publication of PL242800A2publicationCriticalpatent/PL242800A2/en
Publication of PL136005B1publicationCriticalpatent/PL136005B1/en