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发明名称
Annulus seal utilizing energerized discrete soft interacial sealing elements
摘要
申请公布号
GB201211908(D0)
申请公布日期
2012.08.15
申请号
GB20120011908
申请日期
2012.07.04
申请人
VETCO GRAY INC.
发明人
分类号
主分类号
代理机构
代理人
主权项
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