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发明名称
Electron tube apparatus
摘要
申请公布号
US2965794(A)
申请公布日期
1960.12.20
申请号
US19550516096
申请日期
1955.06.17
申请人
VARIAN ASSOCIATES
发明人
GARDNER BERNARD C.;REYLING GEORGE F.
分类号
H01J25/24
主分类号
H01J25/24
代理机构
代理人
主权项
地址
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