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发明名称
Perfectionnements à la signalisation et au contrôle du trafic routier
摘要
申请公布号
FR784371(A)
申请公布日期
1935.07.22
申请号
FRD784371
申请日期
1935.01.19
申请人
AUTOMATIC ELECTRIC COMPANY LIMITED
发明人
分类号
G08G1/082
主分类号
G08G1/082
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代理人
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