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发明名称
摘要
申请公布号	JP4195876(B2)	申请公布日期	2008.12.17
申请号	JP20040241673	申请日期	2004.08.20
申请人		发明人
分类号	E21B17/02;E02D3/12	主分类号	E21B17/02
代理机构		代理人
主权项
地址

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