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发明名称
Improvements in and relating to electroluminescent materials
摘要
申请公布号
GB741931(A)
申请公布日期
1955.12.14
申请号
GB19520014497
申请日期
1952.06.09
申请人
SLYVANIA ELECTRIC PRODUCTS INC.
发明人
分类号
H05B33/14
主分类号
H05B33/14
代理机构
代理人
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地址
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