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经营范围
发明名称
TUBULAR CONNECTOR
摘要
申请公布号
EP0292085(B1)
申请公布日期
1993.08.25
申请号
EP19880300173
申请日期
1988.01.11
申请人
COOPER INDUSTRIES INC.
发明人
THEISS, DAVID H.;MCEVER, JAMES P.
分类号
E21B17/042;E21B33/038;E21B33/043
主分类号
E21B17/042
代理机构
代理人
主权项
地址
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