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经营范围
发明名称
Electroluminescent phosphors
摘要
申请公布号
US2802792(A)
申请公布日期
1957.08.13
申请号
US19530348574
申请日期
1953.04.13
申请人
SYLVANIA ELECTRIC PRODUCTS INC.
发明人
BUTLER KEITH H.;BURNS LAURENCE
分类号
H05B33/14
主分类号
H05B33/14
代理机构
代理人
主权项
地址
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