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经营范围
发明名称
Produit phosphorescent à émission bleue
摘要
申请公布号
FR1030278(A)
申请公布日期
1953.06.11
申请号
FRD1030278
申请日期
1950.12.29
申请人
SYLVANIA ELECTRIC PRODUCTS INC.
发明人
分类号
C09D5/22;C09K11/68
主分类号
C09D5/22
代理机构
代理人
主权项
地址
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