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发明名称
ELECTRON GUN FOR CATHODE RAY TUBES
摘要
申请公布号
GB1522152(A)
申请公布日期
1978.08.23
申请号
GB19750032112
申请日期
1975.07.31
申请人
ZENITH RADIO CORP
发明人
分类号
H01J29/48;H01J29/62;(IPC1-7):H01J29/48;H01J31/20
主分类号
H01J29/48
代理机构
代理人
主权项
地址
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