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经营范围
发明名称
FLOW RATE MEASUREMENT USING UNSTEADY PRESSURES
摘要
申请公布号
EP1194745(B1)
申请公布日期
2007.09.19
申请号
EP20000943199
申请日期
2000.06.27
申请人
WEATHERFORD/LAMB, INC.
发明人
GYSLING, DANIEL, L.;MCGUINN, REBECCA, S.;WINSTON, CHARLES, R.
分类号
G01F1/74;G01F1/708;G01F1/712
主分类号
G01F1/74
代理机构
代理人
主权项
地址
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