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发明名称
Electric well logging system
摘要
申请公布号
US2573137(A)
申请公布日期
1951.10.30
申请号
US19500157309
申请日期
1950.04.21
申请人
HALLIBURTON OIL WELL CEMENTING COMPANY
发明人
GREER WALTON J.
分类号
E21B47/12;G01V3/24
主分类号
E21B47/12
代理机构
代理人
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地址
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