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发明名称
Valve body seat pocket inspection tool and method
摘要
申请公布号
GB201020918(D0)
申请公布日期
2011.01.26
申请号
GB20100020918
申请日期
2009.06.16
申请人
VETCO GRAY INC.
发明人
分类号
主分类号
代理机构
代理人
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