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发明名称
摘要
申请公布号	JP3994629(B2)	申请公布日期	2007.10.24
申请号	JP20000153761	申请日期	2000.05.24
申请人		发明人
分类号	E21B10/32	主分类号	E21B10/32
代理机构		代理人
主权项
地址

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