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Keyword [upper protective coal seam]
Result: 1 - 9 | Page: 1 of 1
1.
Cooperative Control Of Gas Disaster During Mining Of Thin And Short Distance Upper Protective Coal Seam In Deep Coal Mine
2.
Study On The Released Range And The Critical Interlayer Spacing Of Upper Protective Coal Seam With Closed Distance
3.
Study On The Technology Of Pingdingshan Twelve Mine Upper Protective Coal Seam Exploitation
4.
Study On Gas Migration For Extreme Close Range Upper Protective Coal Seam Exploitation In No.5 Mine, Pingdingshan
5.
Investigation On Protection Range In Exploiting The Upper-protective Coal Seam Under The Igneous Rock
6.
Theory Of Coal And Gas Outburst Prevention During Mining And Key Technology Research In Upper Cover Of Hongling Coal Mine
7.
Study On The Protected Range And The Law Of Gas Migration Of Upper Protective Coal Seam With Closed Distance
8.
Variation Law And Engineering Application Of Protected Range For Deeply Buried Upper-protective Layer Mining In Different Inclination Of Coal Seams
9.
Study On The Mining Technology Of Protective Coal Seam And Gas Drainage In Pressure Releasing Area With Closed Distance
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