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Application filed by Glowny Instytut GornictwafiledCriticalGlowny Instytut Gornictwa
Priority to PL20965478ApriorityCriticalpatent/PL109478B2/xx
Publication of PL209654A1publicationCriticalpatent/PL209654A1/pl
Publication of PL109478B2publicationCriticalpatent/PL109478B2/xx