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经营范围
发明名称
IMPROVED DRILLING FLUID THINNER
摘要
申请公布号
EP0331158(A3)
申请公布日期
1991.02.06
申请号
EP19890103642
申请日期
1989.03.02
申请人
PHILLIPS PETROLEUM COMPANY
发明人
PATEL, BHARATKUMA BALUBHAI
分类号
C09K8/20;(IPC1-7):C09K7/02
主分类号
C09K8/20
代理机构
代理人
主权项
地址
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