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发明名称
BOREHOLE FLUID FLOW RATE MEASURING METHOD
摘要
申请公布号
CA423687(A)
申请公布日期
1944.11.07
申请号
CAD423687
申请日期
申请人
SHELL DEVELOPMENT COMPANY
发明人
GERALD L. HASSLER
分类号
主分类号
代理机构
代理人
主权项
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