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发明名称
élément électroluminescent
摘要
申请公布号
FR1144977(A)
申请公布日期
1957.10.21
申请号
FRD1144977
申请日期
1956.03.30
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
H05B33/22
主分类号
H05B33/22
代理机构
代理人
主权项
地址
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