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发明名称
Procédé et dispositif de mesure du rapport de deux grandeurs variables, en partie ? pour l'indication de la vitesse moyenne d'un véhicule
摘要
申请公布号
FR1453740(A)
申请公布日期
1966.09.23
申请号
FR19653804850
申请日期
1965.11.16
申请人
发明人
COEUR JEAN LE
分类号
G01P11/00
主分类号
G01P11/00
代理机构
代理人
主权项
地址
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