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经营范围
发明名称
Recovery of fluid hydrocarbons from an underground formation
摘要
申请公布号
GB940762(A)
申请公布日期
1963.11.06
申请号
GB19620028793
申请日期
1962.07.26
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V.
发明人
WINKLER ADOLPH KARL
分类号
E21B43/24
主分类号
E21B43/24
代理机构
代理人
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