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经营范围
发明名称
DRILLING AND COMPLETION FLUID
摘要
申请公布号
EP0293191(A3)
申请公布日期
1990.01.24
申请号
EP19880304749
申请日期
1988.05.25
申请人
HYDRA FLUIDS, INC.
发明人
PETERSON, THOMAS E.
分类号
C09K8/22;(IPC1-7):C09K7/02
主分类号
C09K8/22
代理机构
代理人
主权项
地址
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