Report copyright - -銅鉱山の操業・開発-mric.jogmec.go.jp/kouenkai_index/2011/briefing_110303_2.pdf2 BHP Billiton : 最近の動向( 2009~2010 ) チリ操業 2008 : 7 月 Escondida 鉱山周辺で新鉱床発見を発表
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