ISBN: 9787564610630 - 薄煤层安全质量标准化创新与实践 樊羽泉,高振伟,张勇主编 中国矿业大学出版社 (1 resultados)

paperback. Condición: New. Paperback. Language: Chinese. Publisher: Publishing House of China University of Mining and Technology. Fan Yuquan. Zhen-Wei. Zhang Yong. editor in chief of the standardization of safety and quality of the thin seam of innovation and practice of standardization of the quality of coal mine safety standards and assessment rating (Trial) combined with relevant laws. regulations. standards. and many years of experience in thin coal seam. the coal mines of the North places the actual coal mining. .…