WANG Guo-hai. Reform of Coal Caving System of Cheji Coal Mine[J]. Journal of Mine Automation, 2009, 35(8): 84-86.
Citation:
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WANG Guo-hai. Reform of Coal Caving System of Cheji Coal Mine[J]. Journal of Mine Automation, 2009, 35(8): 84-86.
|
WANG Guo-hai. Reform of Coal Caving System of Cheji Coal Mine[J]. Journal of Mine Automation, 2009, 35(8): 84-86.
Citation:
|
WANG Guo-hai. Reform of Coal Caving System of Cheji Coal Mine[J]. Journal of Mine Automation, 2009, 35(8): 84-86.
|