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发明名称
METHOD FOR RECOVERING VISCOUS OILS BY SOLVENT EXTRACTION
摘要
申请公布号
CA1008361(A)
申请公布日期
1977.04.12
申请号
CA19740204542
申请日期
1974.07.11
申请人
TEXACO DEVELOPMENT CORPORATION
发明人
ALLEN, JOSEPH C.
分类号
E21B43/16
主分类号
E21B43/16
代理机构
代理人
主权项
地址
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