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经营范围
发明名称
PLUG LAUNCHING DEVICE
摘要
申请公布号
EP0865563(A1)
申请公布日期
1998.09.23
申请号
EP19960942437
申请日期
1996.12.06
申请人
WEATHERFORD/LAMB INC.
发明人
GUDMESTAD, TARALD
分类号
E21B33/16;(IPC1-7):E21B33/16
主分类号
E21B33/16
代理机构
代理人
主权项
地址
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