PDF(113 KB)
New Technique for Increasing Production Rate of Lump Coal in Stopes by Loose Pre-shearing Millisecond Blasting
ZHAN Jun, LIANG Wei-min, YANG Xiao-lin, YUN Xiao-you
Mining and Metallurgical Engineering ›› 2004, Vol. 24 ›› Issue (4) : 4-6.
PDF(113 KB)
PDF(113 KB)
New Technique for Increasing Production Rate of Lump Coal in Stopes by Loose Pre-shearing Millisecond Blasting
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