Vendeur : liu xing, Nanjing, JS, Chine
paperback. Etat : New. Paperback Pages Number: 275 Language: Simplified Chinese Publisher: Coal Industry Press; 1 (May 2007). Boring machine drivers rock loader driver bolting and shotcrete work is the national coal mine safety and technical training (complex training) one of the generic textbook. Its main contents include: policies and laws and regulations of the coal mine production safety. ventilation. disaster prevention and disaster prevention in ambulance knowledge. knowledge of mechanical and electrical tran. N° de réf. du vendeur MO6262
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