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经营范围
发明名称
Fluorescent Phosphor
摘要
申请公布号
GB1177316(A)
申请公布日期
1970.01.07
申请号
GB19680059234
申请日期
1968.12.12
申请人
SYLVANIA ELECTRIC PRODUCTS INC.
发明人
FRANCIS N. SHAFFER
分类号
C09K11/77
主分类号
C09K11/77
代理机构
代理人
主权项
地址
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