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发明名称
MEJORAS INTRODUCIDAS EN LOS ELEMENTOS ELECTROLUMINISCENTES
摘要
申请公布号
ES237646(A1)
申请公布日期
1958.04.01
申请号
ES19460002376
申请日期
1957.09.18
申请人
PHILIPS'GLOEILAMPENFABRIEKEN, N. V.
发明人
分类号
(IPC1-7):G01N
主分类号
(IPC1-7):G01N
代理机构
代理人
主权项
地址
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