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经营范围
发明名称
Aqueous drilling fluid
摘要
申请公布号
US3005773(A)
申请公布日期
1961.10.24
申请号
US19580727803
申请日期
1958.04.11
申请人
SUN OIL COMPANY
发明人
ALLRED ROBERT B.
分类号
C09K8/22
主分类号
C09K8/22
代理机构
代理人
主权项
地址
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