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证券之星股票频道 on MSN
11 天
中国石化获得发明专利授权:“尺寸自适应钻台抓管机械手”
证券之星消息,根据天眼查APP数据显示中国石化(600028)新获得一项发明专利授权,专利名为“尺寸自适应钻台抓管机械手”,专利申请号为CN202111655507.7,授权日为2025年3月14日。
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