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发明名称
Improvements in or relating to fluid flow direction indicators
摘要
申请公布号
GB626857(A)
申请公布日期
1949.07.22
申请号
GB19460014654
申请日期
1946.05.15
申请人
THE LIQUIDOMETER CORPORATION
发明人
分类号
G01F1/684;G01P5/12;G01P13/02
主分类号
G01F1/684
代理机构
代理人
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