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贝肯能源获得发明专利授权:“一种去磺化低黏高切 ...
证券之星消息,根据天眼查APP数据显示贝肯能源(002828)新获得一项发明专利授权,专利名为“一种去磺化低黏高切强抑制水基钻井液”,专利申请 ...
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