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发明名称
Appareil perfectionné de signalisation pour automobiles
摘要
申请公布号
FR710457(A)
申请公布日期
1931.08.24
申请号
FRD710457
申请日期
1931.02.04
申请人
发明人
GRAHAM ARTHUR THOMAS
分类号
B60Q1/42
主分类号
B60Q1/42
代理机构
代理人
主权项
地址
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