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发明名称
Appareil destiné à l'éclairage d'une partie limitée d'une surface ou de l'espaceet supprimant les ombres portées
摘要
申请公布号
FR762484(A)
申请公布日期
1934.04.12
申请号
FRD762484
申请日期
1933.01.06
申请人
发明人
CRETIN HENRI, PIERRE, MARIE
分类号
F21V7/09
主分类号
F21V7/09
代理机构
代理人
主权项
地址
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