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发明名称
Dispositif-indicateur publicitaire pour grande diffusion et destiné à donner une précision horaire
摘要
申请公布号
FR1166645(A)
申请公布日期
1958.11.13
申请号
FRD1166645
申请日期
1957.02.05
申请人
发明人
COULON PIERRE
分类号
G09F1/00
主分类号
G09F1/00
代理机构
代理人
主权项
地址
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