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发明名称
Thread joint for tubes
摘要
申请公布号
EP0708224(B1)
申请公布日期
2004.01.07
申请号
EP19950116326
申请日期
1995.10.17
申请人
SUMITOMO METAL INDUSTRIES, LTD.;VALLOUREC MANNESMANN OIL & GAS FRANCE
发明人
NAGASAKU, SHIGEO;OHYABU, KENICHI;MAEDA, JUN;NARITA, AKIRA
分类号
E21B17/042;F16L15/00;F16L15/04;(IPC1-7):E21B17/042;F16L15/06
主分类号
E21B17/042
代理机构
代理人
主权项
地址
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