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发明名称
Rörtetning
摘要
申请公布号
NO20034136(A)
申请公布日期
2003.11.12
申请号
NO20030004136
申请日期
2003.09.17
申请人
WEATHERFORD/LAMB INC
发明人
SIMPSON, NEIL ANDREW ABERCROMBIE;MACKAY, ALEXANDER CRAIG
分类号
B21D17/04;B21D39/04;B21D39/10;E21B23/04;E21B29/00;E21B29/10;E21B33/138;E21B33/16;E21B43/10;(IPC1-7):E21B43/10;E21B41/00
主分类号
B21D17/04
代理机构
代理人
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地址
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