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发明名称
摘要
申请公布号	SU550609(A1)	申请公布日期	1977.03.15
申请号	SU19752162718	申请日期	1975.08.04
申请人		发明人
分类号	G01V3/18;E21B23/00;E21B47/01;G01V9/00;(IPC1-7):G01V9/00;E21B47/00	主分类号	G01V3/18
代理机构		代理人
主权项
地址

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