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Publicado por China University of Geosciences Press LLC, 2000
ISBN 10: 756252825XISBN 13: 9787562528258
Librería: liu xing, Nanjing JiangSu, JS, China
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paperback. Condición: New. Paperback. Pub Date: 2012 05 of Pages: 312 in Publisher: China University of Geosciences. limited liability company in the related iron curtain grouting engineering and technological achievements Series mining curtain grouting solve flood mining resources exploitation and water resource. one of the primary means of environmental protection contradictory. Hebei Iron and Steel Group Mining Co. Ltd. The Gate Iron Curtain grouting has completely closed the curtain line. deep drilling. water shut.