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经营范围
发明名称
Phosphor and Method of Making.
摘要
申请公布号
GB1193606(A)
申请公布日期
1970.06.03
申请号
GB19690024398
申请日期
1969.05.13
申请人
SYLVANIA ELECTRIC PRODUCTS, INC.
发明人
FRANCIS NATHAN SHAFFER
分类号
C09K11/08;C09K11/77;C09K11/81;C09K11/82
主分类号
C09K11/08
代理机构
代理人
主权项
地址
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