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发明名称
Indicateur de courant fluide
摘要
申请公布号
FR1116977(A)
申请公布日期
1956.05.15
申请号
FRD1116977
申请日期
1955.01.03
申请人
KELVIN & HUGHES LIMITED
发明人
分类号
G01C13/00;G01P5/00
主分类号
G01C13/00
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