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发明名称
DRIVMIDDEL FOR SEKUNDAERUTVINNING AV OLJE, SOM INNEHOLDER VANN, STERK BASE OG ET OKSYALKYLERT NITROGENHOLDIG EMULGERINGSMIDDEL
摘要
申请公布号
NO138779(C)
申请公布日期
1978.11.08
申请号
NO19730001316
申请日期
1973.03.30
申请人
TEXACO DEVELOPMENT CORPORATION,
发明人
PALMER, HAROLD ARTHUR,;SAMPLE, THOMAS EARL JR.,
分类号
E21B43/20;E21B43/22;(IPC1-7):E21B43/22
主分类号
E21B43/20
代理机构
代理人
主权项
地址
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