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发明名称
摘要
申请公布号	JPH09501504(A)	申请公布日期	1997.02.10
申请号	JP19950528027	申请日期	1995.04.26
申请人		发明人
分类号	E21B47/12;G01V1/28;G01V1/40;G01V1/42;(IPC1-7):G01V1/40;E21B47/14;E21B47/16;E21B47/18	主分类号	E21B47/12
代理机构		代理人
主权项
地址

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