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发明名称
Drilling mud and method of using
摘要
申请公布号
US2555469(A)
申请公布日期
1951.06.05
申请号
US19480061529
申请日期
1948.11.22
申请人
PHILLIPS PETROLEUM COMPANY
发明人
JONES RUFUS V.
分类号
C09K8/20
主分类号
C09K8/20
代理机构
代理人
主权项
地址
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