Articles liés à Small and medium-sized coal mine safety training textbooks...

Small and medium-sized coal mine safety training textbooks for: mine mechanical and electrical maintenance man(Chinese Edition) - Couverture souple

MU HONG DOU

 
9787811078688: Small and medium-sized coal mine safety training textbooks for: mine mechanical and electrical maintenance man(Chinese Edition)

Synopsis

Language:Chinese.Soft cover.description:Paperback Pages Number: 292 small and medium-sized coal mine safety training textbooks for mine mechanical and electrical maintenance man introduces mine safety and production policies and laws and regulations. the basis of knowledge of coal produc

Les informations fournies dans la section « Synopsis » peuvent faire référence à une autre édition de ce titre.