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Small and medium-sized coal mine safety training uniform textbooks: Mine Water Pumps(Chinese Edition) - Softcover

PENG ZONG PING LI ZONG GEN HUANG ZENG LIANG

 
9787811078732: Small and medium-sized coal mine safety training uniform textbooks: Mine Water Pumps(Chinese Edition)

Inhaltsangabe

Language:Chinese.No Binding.publisher:China Coal Mine Pub. Date :2008-06-01 version 1.description:Pages Number: 281 Publisher: China mine big Pub. Date :2008-06-01 version 1. Book is for national small mine safety technology training needed prepared series training materials one is coal narrow gauge orbit workers trades training materials. Includ

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