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发明名称
Borehole flowmeter
摘要
申请公布号
US2651370(A)
申请公布日期
1953.09.08
申请号
US19470743646
申请日期
1947.04.24
申请人
SUN OIL COMPANY
发明人
PEARSON JOHN M.
分类号
E21B47/10;G01F1/10
主分类号
E21B47/10
代理机构
代理人
主权项
地址
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