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发明名称
Appareil mixte pour l'éclairage et la publicité
摘要
申请公布号
FR721217(A)
申请公布日期
1932.03.01
申请号
FRD721217
申请日期
1931.08.11
申请人
SOCIETE ANONYME FRANCAISE HOLOPHANE
发明人
分类号
F21S8/00;F21S8/06;G08G1/095
主分类号
F21S8/00
代理机构
代理人
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