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发明名称
PLUG AND METHOD OF UNPLUGGING A SEAT
摘要
A method of unplugging a seat, including dissolving at least a surface of a plug seated against the seat, and unseating the plug from the seat.
申请公布号
WO2012067786(A3)
申请公布日期
2012.07.26
申请号
WO2011US58112
申请日期
2011.10.27
申请人
BAKER HUGHES INCORPORATED;JOHNSON, MICHAEL H.;XU, ZHIYUE
发明人
JOHNSON, MICHAEL H.;XU, ZHIYUE
分类号
E21B33/12;E21B34/14
主分类号
E21B33/12
代理机构
代理人
主权项
地址
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