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ISBN 10: 7502024298ISBN 13: 9787502024291
Seller: liu xing, Nanjing JiangSu, JS, China
Book
paperback. Condition: New. Paperback. Pub Date: 2004 07 Pages: 277 Language: Chinese Publisher: Coal Industry Press. the National Coal Mine Safety Technology Training Universal textbook: Signal hook workers a systematic introduction to the principles and laws and regulations of coal mine production safety. coal mine production technology. mine ventilation and disaster prevention. the downhole electrical safety. signal hook workers safe operation of the contents. Published by the Coal Industry Press.