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发明名称
Réflecteur de phare pour l'éclairage des virages
摘要
申请公布号
FR724953(A)
申请公布日期
1932.05.06
申请号
FRD724953
申请日期
1931.10.22
申请人
发明人
ULMANN GUSTAV
分类号
F21V7/00
主分类号
F21V7/00
代理机构
代理人
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