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0200096495 20080114144827.0 s2006 at a fr |100|||eng | CNY1559.00 NGL a720.8 Australian Centre for Geomechanics. Seminar (2006 : Perth, Western Australia) 澳大利亚地质力学中心关于地下矿井的开发与生产爆破专家讨论会. chi A Seminar on Development and Production Blasting in Undergroud Mines : 2-3 August 2006, IBIS Perth Hotel, Perth, Western Australia. Seminar on Development and Production Blasting in Undergroud Mines [S.l. : Australian Centre for Geomechanics, 2006?]. 1 v. (various pagings) : ill. ; 30 cm. Blasting. NGL EB00069115 720.8 Au7s r¥1559.00 ayl b1 eyll0801