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发明名称
Improved subsea cementing plug system with plug launching tool
摘要
申请公布号
GB2483014(B)
申请公布日期
2012.10.17
申请号
GB20110019872
申请日期
2010.03.19
申请人
BAKER HUGHES INCORPORATED
发明人
DAVID FERNANDO LAUREL;KURT RANDALL KOENIG
分类号
E21B33/16;E21B33/05
主分类号
E21B33/16
代理机构
代理人
主权项
地址
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