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发明名称
Integrität Merkmal eines Gewindes für ausdehnbare Rohrverbindungen
摘要
申请公布号
DE602004002028(D1)
申请公布日期
2006.10.05
申请号
DE200460002028T
申请日期
2004.05.21
申请人
WEATHERFORD/LAMB INC.
发明人
ELLINGTON, PETER;PENDLETON, GARY
分类号
E21B43/10;E21B17/08
主分类号
E21B43/10
代理机构
代理人
主权项
地址
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