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Application filed by Glowny Instytut GornictwafiledCriticalGlowny Instytut Gornictwa
Priority to PL24290583ApriorityCriticalpatent/PL142526B1/en
Publication of PL242905A2publicationCriticalpatent/PL242905A2/en
Publication of PL142526B1publicationCriticalpatent/PL142526B1/en