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发明名称
ANNULUS SEALING METHOD USING EUTECTIC METAL AND HEAT INDUCTION
摘要
申请公布号
EP1268973(A1)
申请公布日期
2003.01.02
申请号
EP20010914878
申请日期
2001.03.14
申请人
SPENCER, HOMER L.
发明人
SPENCER, HOMER L.
分类号
E21B33/13;E21B33/138;E21B36/04;(IPC1-7):E21B33/13;E21B36/00
主分类号
E21B33/13
代理机构
代理人
主权项
地址
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