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发明名称
摘要
申请公布号	JP2010504448(A)	申请公布日期	2010.02.12
申请号	JP20090529150	申请日期	2007.09.12
申请人		发明人
分类号	E21B1/28;E21B1/36;E21B44/06	主分类号	E21B1/28
代理机构		代理人
主权项
地址

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