9787203070719 - 井巷施工技术 9787203070719 闫建军 山西人民出版社发行部 (1 risultati)

paperback. Condizione: New. Paperback. Pub Date: December 2010 Pages: 377 Language: Chinese in Publisher: Publishing Group of Shanxi. Shanxi People's Publishing House under the Shanxi Coal Industry Department. the Department of Education in Shanxi Province Shanxi coal Pei Fa [2009] No. 140 on the province mine key positions of employees notice of secondary vocational education Shanxi coal Pei Fa [2009] No. 337 key positions on the province coal mine employing secondary vocational education. implementation of views. comb.…