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Warm congratulations to Chuzhou Grea Mining Co., Ltd. for obtaining the national technical invention patent

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2011-7-11 Viewed：

Warm congratulations to Chuzhou Grea Mining Co., Ltd. for obtaining the national technical invention patent for "a macromolecular surface modifier and surface modified mica and its use" as a national technical invention patent, patent number ZL200910116375-3.

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