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经营范围
发明名称
Electroluminescent phosphors
摘要
申请公布号
US2919249(A)
申请公布日期
1959.12.29
申请号
US19530394512
申请日期
1953.11.25
申请人
SYLVANIA ELECTRIC PRODUCTS INC.
发明人
BUTLER KEITH H.;HOMER HORACE H.;RULON RICHARD M.
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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