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发明名称
Apparatus for logging wells while drilling
摘要
申请公布号
US2650067(A)
申请公布日期
1953.08.25
申请号
US19480064971
申请日期
1948.12.13
申请人
MARTIN PHILIP W
发明人
MARTIN PHILIP W.
分类号
E21B17/00;E21B47/12;G01V3/24
主分类号
E21B17/00
代理机构
代理人
主权项
地址
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