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经营范围
发明名称
Gewindeverbinder für Rohre
摘要
申请公布号
DE69809322(T2)
申请公布日期
2003.09.18
申请号
DE1998609322T
申请日期
1998.03.24
申请人
VALLOUREC MANNESMANN OIL & GAS FRANCE, AULNOYE-AYMERIES
发明人
NOEL, THIERRY;CACCIAGUERRA, BRUNO
分类号
E21B17/042;E21B17/043;F16L15/04;F16L15/08
主分类号
E21B17/042
代理机构
代理人
主权项
地址
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