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发明名称
Electron discharge devices
摘要
申请公布号
US2843786(A)
申请公布日期
1958.07.15
申请号
US19540445577
申请日期
1954.07.26
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
TALPEY THOMAS E.
分类号
H01J19/28;H01J19/30;H01J21/10
主分类号
H01J19/28
代理机构
代理人
主权项
地址
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