Method and device for extracting extraction products in underground mining,申请号AP20060003494-传众专利搜索

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发明名称	Method and device for extracting extraction products in underground mining
摘要
申请公布号	AP2504(A)	申请公布日期	2012.11.12
申请号	AP20060003494	申请日期	2004.06.18
申请人	CORPORACION NACIONAL DEL COBRE DE CHILE;CATERPILLAR GLOBAL MINING EUROPE	发明人	BRUGGEMANN REINHOLD;BUHLMANN FERNANDO ARTURO GEISTER;DELGADO JUAN
分类号	E21C35/20;E21D9/12;E21F13/00;E21F13/04;E21F13/06	主分类号	E21C35/20
代理机构		代理人
主权项
地址

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