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经营范围
发明名称
Oil-based well bore fluids and gellants therefor
摘要
申请公布号
US5021170(A)
申请公布日期
1991.06.04
申请号
US19870135140
申请日期
1987.12.18
申请人
BAROID TECHNOLOGY, INC.
发明人
SHUMATE, THOMAS G.;SOKOL, LOUIS P.
分类号
B01J13/00;C09K8/32
主分类号
B01J13/00
代理机构
代理人
主权项
地址
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