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Application filed by Polska Miedz Kom Gorniczo HutnfiledCriticalPolska Miedz Kom Gorniczo Hutn
Priority to PL29363992ApriorityCriticalpatent/PL166923B1/en
Publication of PL293639A1publicationCriticalpatent/PL293639A1/en
Publication of PL166923B1publicationCriticalpatent/PL166923B1/en
PL29363992A1992-02-261992-02-26
Method of selecting with successive layers for hydraulic backfilling of thick copper ore deposits in areas at risk of rock bursts
PL166923B1
(en)