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886455 Research on ascending mining in Kongzhuang coal mine : Wang Liquan Proc 23rd Annual Conference of the Engineering Group of the Geological Society, Engineering Geology of Underground Movements, Nottingham, 13–17 Sept 1987P309–323. Publ Nottingham: University of Nottingham, 1987


Publisher
Elsevier Science
Year
1988
Tongue
English
Weight
152 KB
Volume
25
Category
Article
ISSN
0148-9062

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