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The Woxna mine is one of the largest graphite mines in Sweden and in the world. The mine is located in the center of the country in Gävleborg County.〔 The mine has estimated reserves of 6.93 million tonnes of ore 8.82% graphite.〔 == References == 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Woxna mine」の詳細全文を読む スポンサード リンク
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