Fully Mechanized Top Coal Caving Mining Technology in Combined Seams with Close Distance and with Soft Roof, Soft Coal and Soft Floor in Guobei Mine
WANG Shao-yong
ZHANG Yong
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Publication Date：2009-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：4( 24-27 )