PL321691A1 - Method obtaining and filling voids produced during mining operations on mineral deposits being carried out by breast-and-stall working
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Method obtaining and filling voids produced during mining operations on mineral deposits being carried out by breast-and-stall working
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Application filed by Ct Badawczo P Miedzi Cuprum SpfiledCriticalCt Badawczo P Miedzi Cuprum Sp
Priority to PL97321691ApriorityCriticalpatent/PL185652B1/en
Publication of PL321691A1publicationCriticalpatent/PL321691A1/en
Publication of PL185652B1publicationCriticalpatent/PL185652B1/en
PL97321691A1997-08-181997-08-18Method obtaining and filling voids produced during mining operations on mineral deposits being carried out by breast-and-stall working
PL185652B1
(en)