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发明名称
Perfectionnements aux dispositifs pour l'émission et la réception des signaux de signalisation
摘要
申请公布号
FR1207614(A)
申请公布日期
1960.02.17
申请号
FRD1207614
申请日期
1958.06.30
申请人
发明人
DEYGOUT JACQUES
分类号
H04Q1/446
主分类号
H04Q1/446
代理机构
代理人
主权项
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