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发明名称
Electrode assembly for very highfrequency electron discharge devices
摘要
申请公布号
US2526054(A)
申请公布日期
1950.10.17
申请号
US19460708277
申请日期
1946.11.07
申请人
M-O VALVE COMPANY, LTD.
发明人
WARREN GEOFFREY W.
分类号
H01J21/06
主分类号
H01J21/06
代理机构
代理人
主权项
地址
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