cippe展品创新金奖
2019-04-03 浏览:686
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cippe展品创新金奖
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cippe展品创新金奖
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cippe展品创新金奖
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cippe展品创新金奖
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cippe展品创新金奖
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cippe展品创新金奖
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cippe展品创新金奖
中国石油集团工程技术研究院北京石油机械有限公司研发的“新型顶部驱动钻井装置与顶驱下套管”被评为cippe展品创新金奖。
