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发明名称
Innretning for utvidelse av rör
摘要
申请公布号
NO20031961(D0)
申请公布日期
2003.04.30
申请号
NO20030001961
申请日期
2003.04.30
申请人
WEATHERFORD/LAMB INC
发明人
LAWRENCE, LEWIS
分类号
B21D17/04;E21B29/00;E21B43/10;(IPC1-7):E21B
主分类号
B21D17/04
代理机构
代理人
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