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由江汉石油管理局与美国赛瓦公司合资筹建的石油钻采设备合资企业——四机—赛瓦有限公司的经营合同签字仪式,于1992年3月27日在北京举行。中方代表江
The signing ceremony of the operating contract signed by Jianghan Petroleum Administration Bureau and SAIBA, a joint venture of oil drilling equipment, was held on March 27, 1992 in Beijing. Chinese representative Jiang