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发明名称
Procédé et appareil pour mesurer la vitesse d'un véhicule et notamment d'un véhicule ferroviaire
摘要
申请公布号
FR935896(A)
申请公布日期
1948.07.02
申请号
FRD935896
申请日期
1946.11.14
申请人
发明人
LEDOUX CHARLES
分类号
G01P3/64
主分类号
G01P3/64
代理机构
代理人
主权项
地址
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