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发明名称
ELECTROLUMINESCENT DEVICES
摘要
申请公布号
GB1473493(A)
申请公布日期
1977.05.11
申请号
GB19730017565
申请日期
1974.07.08
申请人
DEFENCE SECRETARY OF STATE FOR
发明人
分类号
H05B33/10;(IPC1-7):C09K11/02
主分类号
H05B33/10
代理机构
代理人
主权项
地址
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