Underground operations should be aware that should be(Chinese Edition) - Couverture souple

LV SHU RAN , YUAN ZHAN YONG

 
9787122036872: Underground operations should be aware that should be(Chinese Edition)

Synopsis

Language:Chinese.Soft cover.publisher:Chemical Industry Press Pub. Date :2009-01-01.description:Paperback. Pages Number: 233 Language: Chinese. Publisher: Chemical Industry Press Pub. Date :2009-01-01. production characteristics of mining enterprises under the system of underground mining techniques are introduced. including mining methods. com

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