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发明名称
摘要
申请公布号	JP3439334(B2)	申请公布日期	2003.08.25
申请号	JP19970356917	申请日期	1997.12.25
申请人		发明人
分类号	E21D9/00;E21D9/06;G01N33/24;G01V1/00;(IPC1-7):E21D9/00	主分类号	E21D9/00
代理机构		代理人
主权项
地址

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