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16d
中国石化获得发明专利授权:“埋地管道智能维修决策方法及装置”
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“埋地管道智能维修决策方法及装置”,专利申请号为CN202110251401.4,授权日为2025年1月7日。
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