Small coal pillar technology to protect mine roadway and application in Ningwu Mine
LIN Jian
WU Yong-zheng
SHEN Zhi-ping
LIU Xiao-feng
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Publication Date：2005-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：3( 5-7 )