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发明名称
Gjenget forbindelse for stalror
摘要
申请公布号
NO20055742(D0)
申请公布日期
2005.12.05
申请号
NO20050005742
申请日期
2005.12.05
申请人
VALLOUREC MANNESMANN OIL & GAS FRANCE
发明人
DUTILLEUL PIERRE;NAGASAKU SHIGEO;VERGER ERIC;SUGINO MASAAKI;YAMAMOTO MIYUKI;ROUSSIE GABRIEL;IWAMOTO MICHIHIKO
分类号
E21B17/042;F16L15/04;F16L15/06;(IPC1-7):F16L
主分类号
E21B17/042
代理机构
代理人
主权项
地址
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