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发明名称
Formation tester
摘要
申请公布号
US2780292(A)
申请公布日期
1957.02.05
申请号
US19540429834
申请日期
1954.05.14
申请人
W. B. TAYLOR;JOSEPH R. CRUMP
发明人
BROYLES OTIS T.
分类号
E21B49/10
主分类号
E21B49/10
代理机构
代理人
主权项
地址
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