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经营范围
发明名称
Perfectionnements aux plaques lumineuses de signalisation
摘要
申请公布号
FR738833(A)
申请公布日期
1932.12.30
申请号
FRD738833
申请日期
1932.06.18
申请人
发明人
PERRIOLLAT ALICE
分类号
G09F7/02
主分类号
G09F7/02
代理机构
代理人
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