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经营范围
发明名称
Feu de signal
摘要
申请公布号
FR678121(A)
申请公布日期
1930.03.19
申请号
FRD678121
申请日期
1928.10.27
申请人
ETABLISSEMENTS GOUY ET LANTIER
发明人
分类号
F21V7/00
主分类号
F21V7/00
代理机构
代理人
主权项
地址
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