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经营范围
发明名称
Heavy oil recovery
摘要
申请公布号
US3115928(A)
申请公布日期
1963.12.31
申请号
US19590833694
申请日期
1959.08.14
申请人
PAN AMERICAN PETROLEUM CORPORATION
发明人
CAMPION FRANK E.;GLASS EUGENE D.;MORSE RICHARD A.
分类号
E21B43/247
主分类号
E21B43/247
代理机构
代理人
主权项
地址
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