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经营范围
发明名称
Procédé et appareil de colmatage des formations aqueuses dans un puits
摘要
申请公布号
FR1241745(A)
申请公布日期
1960.09.23
申请号
FR19590800545
申请日期
1959.07.20
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N. V.
发明人
分类号
E21B33/138
主分类号
E21B33/138
代理机构
代理人
主权项
地址
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