川恒股份(002895.SZ)收到2项专利证书

智通财经APP讯，川恒股份(002895.SZ)公告，公司及子公司近日收到国家知识产权局颁发的专利证书2项，专利名称分别为：一种利用盐酸和磷矿生产磷酸钙盐及高纯石膏的方法、一种锤式烘干机。

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