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发明名称
Casing hanger profile for multiple seal landing positions
摘要
申请公布号
AU2011203529(A1)
申请公布日期
2012.02.02
申请号
AU20110203529
申请日期
2011.07.12
申请人
VETCO GRAY, INC.
发明人
GALLE, GARY;GETTE, NICHOLAS PETER;HERBEL, RYAN
分类号
E21B33/04;E21B17/08
主分类号
E21B33/04
代理机构
代理人
主权项
地址
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