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发明名称
ELECTRON GUNS
摘要
申请公布号
GB2027268(A)
申请公布日期
1980.02.13
申请号
GB19790024867
申请日期
1979.07.17
申请人
PHILIPS NV
发明人
分类号
H01J9/04;H01J9/18;H01J29/04;H01J29/48;H01J29/82;H01J31/38;(IPC1-7):H01J29/48
主分类号
H01J9/04
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代理人
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