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发明名称
Filament emission electrode and method of minimizing filament stresses therein
摘要
申请公布号
US2653267(A)
申请公布日期
1953.09.22
申请号
US19510232602
申请日期
1951.06.20
申请人
HIGH VOLTAGE ENGINEERING CORPORATION
发明人
MCINTOSH LLOYD R.
分类号
C12M1/20;H01J1/16
主分类号
C12M1/20
代理机构
代理人
主权项
地址
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