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Continue to Chat南鳥島沖のレアアース埋蔵量、世界需要の数百年分 東大などの調査で判明 (1/2ページ) - SankeiBiz(サンケイビズ) https://blog.40ch.net/2018/04/11/rare-earth-reserves-off-minamitorishima-revealed-by-survey-of-hundreds-of-years-of-world-demand-tokyo-university-etc/