PDF(152 KB)
Prel iminary Probing into the Scheme to Set up the Aggregate-storing Systemof Dry Back-filling Mining Method in Gaoyao Mine Area
HE Zhihong
Gold Science and Technology ›› 2004, Vol. 12 ›› Issue (3) : 18-21.
PDF(152 KB)
PDF(152 KB)
Prel iminary Probing into the Scheme to Set up the Aggregate-storing Systemof Dry Back-filling Mining Method in Gaoyao Mine Area
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