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发明名称
Plug-dropping container for releasing a plug into a wellbore
摘要
申请公布号
GB0415300(D0)
申请公布日期
2004.08.11
申请号
GB20040015300
申请日期
2004.07.08
申请人
WEATHERFORD/LAMB INC.
发明人
分类号
E21B33/05
主分类号
E21B33/05
代理机构
代理人
主权项
地址
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