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发明名称
Method and apparatus for logging drilling fluid
摘要
申请公布号
US2930967(A)
申请公布日期
1960.03.29
申请号
US19530401030
申请日期
1953.12.29
申请人
GULF RESEARCH & DEVELOPMENT COMPANY
发明人
LAIRD WILLIAM M.;WYLLIE MALCOLM R. J.
分类号
E21B21/08;E21B49/00
主分类号
E21B21/08
代理机构
代理人
主权项
地址
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