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发明名称
APPARATUS AND METHOD FOR INSERTING AND REMOVING A FLEXIBLE FIRST MATERIAL INTO A SECOND MATERIAL
摘要
申请公布号
EP1343994(A4)
申请公布日期
2005.04.20
申请号
EP20010995252
申请日期
2001.11.28
申请人
LONGBORE, INC.
发明人
FORREST, JOHN
分类号
E21B7/20;F16L55/165;(IPC1-7):E21B7/20
主分类号
E21B7/20
代理机构
代理人
主权项
地址
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