Study on the Porss and Fractures of the Coal Seams in Danger of Bursting in Tianfu Mining Area

Study on the Porss and Fractures of the Coal Seams in Danger of Bursting in Tianfu Mining Area[J]. COAL GEOLOGY & EXPLORATION, 1988, 16(1): 25-28.

Citation:

Study on the Porss and Fractures of the Coal Seams in Danger of Bursting in Tianfu Mining Area[J]. COAL GEOLOGY & EXPLORATION, 1988, 16(1): 25-28.

Citation:

Study on the Porss and Fractures of the Coal Seams in Danger of Bursting in Tianfu Mining Area[J]. COAL GEOLOGY & EXPLORATION, 1988, 16(1): 25-28.

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