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经营范围
发明名称
Crude oil recovery
摘要
申请公布号
GB2148982(A)
申请公布日期
1985.06.05
申请号
GB19840024962
申请日期
1984.10.03
申请人
THE * BRITISH PETROLEUM COMPANY P L C
发明人
PHILIP KENNETH GORDON * HODGSON;IAN CHARLES * CALLAGHAN
分类号
C09K8/584;(IPC1-7):E21B43/22
主分类号
C09K8/584
代理机构
代理人
主权项
地址
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