Layout of Low-located Drainage Roadway in 455B9 Face in Xiejiaji No.1 Mine and Analysis on Its Effectiveness
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Publication Date:2004-01-01
Online Publishing Date:2025-08-15(First online date of this platform, not the publication date of the document)
Pages:3( 47-48,67 )
MINING SAFETY & ENVIRONMENTAL PROTECTION

MINING SAFETY & ENVIRONMENTAL PROTECTION

PKUISTIC
ISSN:1008-4495
Year, Vol.(Issue):2004,31(4)