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发明名称
ELECTROMAGNETIC FOCUS CATHODEERAY TUBE
摘要
申请公布号
JPS551059(A)
申请公布日期
1980.01.07
申请号
JP19780114693
申请日期
1978.09.20
申请人
HITACHI LTD
发明人
FUKUDA KIYOUHEI
分类号
H01J29/50;H01J29/48;H01J29/64
主分类号
H01J29/50
代理机构
代理人
主权项
地址
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