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发明名称
Réflecteur à surface métallique réfléchissante
摘要
申请公布号
FR920552(A)
申请公布日期
1947.04.11
申请号
FRD920552
申请日期
1946.01.21
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
F21V7/10
主分类号
F21V7/10
代理机构
代理人
主权项
地址
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