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发明名称
Well logging instrument
摘要
申请公布号
US2349225(A)
申请公布日期
1944.05.16
申请号
US19410410954
申请日期
1941.09.15
申请人
WELL SURVEYS, INCORPORATED
发明人
SCHERBATSKOY SERGE ALEXANDER;SWIFT GILBERT;FEARON ROBERT EARL;NEUFELD JACOB
分类号
G01V5/04
主分类号
G01V5/04
代理机构
代理人
主权项
地址
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