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发明名称
Process for making fluorescent screens, including the elimination of copper impurities
摘要
申请公布号
US2531618(A)
申请公布日期
1950.11.28
申请号
US19480054081
申请日期
1948.10.12
申请人
PHILCO CORPORATION
发明人
GEOGHEGAN JOHN J.
分类号
H01J29/18
主分类号
H01J29/18
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代理人
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