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发明名称
Fremgangsmate og anordning til detektering av lekkasjer i ringrommet i et stigeror
摘要
申请公布号
NO20043699(A)
申请公布日期
2004.10.01
申请号
NO20040003699
申请日期
2004.09.01
申请人
TECHNIP FRANCE
发明人
RIGAUD JEAN
分类号
E21B17/01;E21B47/10;F16L11/08;(IPC1-7):E21B17/01;G01M3/28
主分类号
E21B17/01
代理机构
代理人
主权项
地址
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