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发明名称
MEASURING FLOW IN PIPE
摘要
申请公布号
GB8604397(D0)
申请公布日期
1986.03.26
申请号
GB19860004397
申请日期
1986.02.21
申请人
PRAD RESEARCH & DEVELOPMENT NV
发明人
分类号
E21B47/10;G01F1/36;G01F1/74;G01F1/88;G01N9/26;(IPC1-7):G01F1/74
主分类号
E21B47/10
代理机构
代理人
主权项
地址
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