井巷施工技术 闫建军 山西人民出版社发行部 - Tapa blanda

To open Lane Construction technology(Chinese Edition)

paperback. Condición: 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. Nº de ref. del artículo: CB041734

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