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Application filed by Glowny Instytut GornictwafiledCriticalGlowny Instytut Gornictwa
Priority to PL20580378ApriorityCriticalpatent/PL118544B1/pl
Publication of PL205803A1publicationCriticalpatent/PL205803A1/pl
Publication of PL118544B1publicationCriticalpatent/PL118544B1/pl