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经营范围
发明名称
Fluorescent material and electric discharge device
摘要
申请公布号
US2476681(A)
申请公布日期
1949.07.19
申请号
US19460714262
申请日期
1946.12.05
申请人
GENERAL ELECTRIC COMPANY
发明人
OVERBEEK JAN THEODOOR GERARD;KROGER FERDINAND ANNE
分类号
C09K11/77;H01J61/44
主分类号
C09K11/77
代理机构
代理人
主权项
地址
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