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发明名称
VACUUM ELECTRONIC DEVICES
摘要
申请公布号
GB2204991(B)
申请公布日期
1991.10.02
申请号
GB19870011652
申请日期
1987.05.18
申请人
THE * GENERAL ELECTRIC COMPANY P L C
发明人
NEIL ALEXANDER * CADE;ROSEMARY ANN * LEE
分类号
H01J1/30;H01J9/02
主分类号
H01J1/30
代理机构
代理人
主权项
地址
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