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Small and medium-sized coal mine safety training the uniform textbooks: Roadway maintenance man(Chinese Edition) - Couverture souple

TAO XIANG YANG ZHANG JIE LAI

 
9787811078602: Small and medium-sized coal mine safety training the uniform textbooks: Roadway maintenance man(Chinese Edition)

Synopsis

Language:Chinese.No Binding.publisher:China mine big Pub. Date :2008-06-01 version 1.description:Pages Number: 393 Publisher: China mine big Pub. Date :2008-06-01 version 1. Book as nationwide small mine safety training unified textbooks one main tells mine safety laws. coal production technology. mine ventilation and disaster prevention. mining

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