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经营范围
发明名称
Lampe électroluminescente
摘要
申请公布号
FR1160163(A)
申请公布日期
1958.07.08
申请号
FRD1160163
申请日期
1956.11.07
申请人
SYLVANIA ELECTRIC PRODUCTS, INC.
发明人
分类号
H05B33/12;H05B33/22
主分类号
H05B33/12
代理机构
代理人
主权项
地址
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