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发明名称
Perfectionnements aux systèmes de signalisation pour engins de locomotion
摘要
申请公布号
FR995040(A)
申请公布日期
1951.11.26
申请号
FRD995040
申请日期
1949.07.16
申请人
发明人
FOURNIER CHARLES;GABE PAUL-LOUIS
分类号
B60Q1/30;B62J6/20
主分类号
B60Q1/30
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代理人
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