COSL相关论文
On 20 November,COSL listed in Hong Kong Stook Exchange.Wei Liucheng,President of CNOOC and Fu Yuchen
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China Oilfield Services Ltd (COSL), a drilling service unit under CNOOC, posted a forecastbeating 38.6 percent rise in f......
China Oilfield Services Limited (COSL), the leading integrated oilfield services provider in China for the offshore oil ......
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