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科恒股份：公司稀土材料特种作业证到期怎么办主要用到稀土中的铽、钇、铕、铈、镥等元素

人参与 | 时间：2024-12-16 02:15:58

每经AI快讯，科恒有投资者在投资者互动平台提问：公司的股份公司特种作业证到期怎么办稀土材料有用到哪些稀土元素？

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