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发明名称
Electron tube and dispenser cathode with high emission impregnant
摘要
申请公布号
GB2109157(A)
申请公布日期
1983.05.25
申请号
GB19820030872
申请日期
1982.10.28
申请人
* VARIAN ASSOCIATES INC
发明人
LOUIS RAYMOND * FALCE
分类号
H01J1/14;H01J1/28;H01J23/04;(IPC1-7):H01J1/14;H01J9/04
主分类号
H01J1/14
代理机构
代理人
主权项
地址
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