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发明名称
Hydraulisk strekkanordning for oppblÕsbart pakningselement
摘要
申请公布号
NO20004635(A)
申请公布日期
2001.03.19
申请号
NO20000004635
申请日期
2000.09.15
申请人
BAKER HUGHES INC
发明人
CORONADO, MARTIN P.
分类号
E21B33/127;(IPC1-7):E21B33/127
主分类号
E21B33/127
代理机构
代理人
主权项
地址
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