Vendeur : liu xing, Nanjing, JS, Chine
paperback. Etat : New. Paperback. Pub Date: 2003 Pages: 130 Language: Chinese in Publisher: Petroleum Industry Press the downhole control engineering technology is a hot research direction of international drilling engineering sector since the 1990s. several famous foreign petroleum engineering technical services company are competing research and development of these products and technologies. China's oil and gas well drilling workers more than 10 years in this area pay a lot of hard work and sweat. and laid a sol. N° de réf. du vendeur CC038322
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