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Organic positively charged colloidal alcohol type II for drilling fluid
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Organic positively charged colloidal alcohol type II for drilling fluid ??
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Organic positively charged colloidal alcohol type II for drilling fluid ?? ?? ? ???
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Organic positively charged colloidal alcohol type II for drilling fluid ?? ??
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Shandong Yanggu Jiangbei Chemical Co., Ltd | -- |
ygjbhg@126.com | China | 63 | 50 |