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发明名称
Cathode ray tube shield structures
摘要
申请公布号
US2721995(A)
申请公布日期
1955.10.25
申请号
US19530361627
申请日期
1953.06.15
申请人
MAGNETIC METALS COMPANY
发明人
FRIEND ALBERT WILEY
分类号
H01J29/86
主分类号
H01J29/86
代理机构
代理人
主权项
地址
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