高瓦斯煤层群综采面瓦斯运移与控制 - Tapa blanda

High gas coal seams mechanized mining face and control gas migration(Chinese Edition)

paperback. Condición: New. Paperback. Pub Date :2013-03-01 Pages: 167 Language: Chinese Publisher: Metallurgical Industry Press Product Name : high gas coal seams mechanized mining face and control of gas migration : Xiesheng Rong Zhao Yaojiang ISBN Number: 9787502462055 Publisher: Metallurgy industry Press Item Type : Book published :2013 -03-01 printing time :2013 -03-01 [Description] high- gas coal seams mechanized mining face gas migration and control by the Xiesheng Rong . Zhao Yaojiang with. the use of on-site in. Nº de ref. del artículo: BV060587

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