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发明名称
FremgangsmÕte og apparat for sementering av foringsrør i et brønnhull
摘要
申请公布号
NO20002396(D0)
申请公布日期
2000.05.08
申请号
NO20000002396
申请日期
2000.05.08
申请人
WEATHERFORD/LAMB INC
发明人
GIROUX, RICHARD LEE
分类号
E21B21/10;E21B33/05;E21B33/16;E21B34/06;(IPC1-7):E21B
主分类号
E21B21/10
代理机构
代理人
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