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发明名称
摘要
申请公布号	JP3588467(B2)	申请公布日期	2004.11.10
申请号	JP19950516703	申请日期	1994.12.13
申请人		发明人
分类号	E21B1/00;E21B1/26;E21B1/28;E21B4/14;(IPC1-7):E21B4/14	主分类号	E21B1/00
代理机构		代理人
主权项
地址

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