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发明名称
Fixed swirl inducing blast liner
摘要
申请公布号
GB2472724(B)
申请公布日期
2012.11.21
申请号
GB20100019553
申请日期
2009.06.04
申请人
BAKER HUGHES INCORPORATED
发明人
NICHOLAS J CLEM;MARTIN P CORONADO
分类号
E21B43/04
主分类号
E21B43/04
代理机构
代理人
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