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发明名称
摘要
申请公布号	JP4387320(B2)	申请公布日期	2009.12.16
申请号	JP20050058752	申请日期	2005.03.03
申请人		发明人
分类号	E21B7/00;E02D1/04;E21B10/32	主分类号	E21B7/00
代理机构		代理人
主权项
地址

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