PDF(130 KB)
Some New Knowledge about Relations among Different Cut-off Grades for Ore Drawing
YANG Cai-liang, MA Jian-jun
Mining and Metallurgical Engineering ›› 2004, Vol. 24 ›› Issue (5) : 5-8.
PDF(130 KB)
PDF(130 KB)
Some New Knowledge about Relations among Different Cut-off Grades for Ore Drawing
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