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发明名称
Riser Annulus Flow Meter and Method
摘要
申请公布号
GB2483776(A)
申请公布日期
2012.03.21
申请号
GB20110015659
申请日期
2011.09.12
申请人
HYDRIL USA MANUFACTURING LLC
发明人
DAVID ALBERT DIETZ
分类号
G01F1/38;E21B47/10
主分类号
G01F1/38
代理机构
代理人
主权项
地址
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