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发明名称
Cathode assembly
摘要
申请公布号
US3116434(A)
申请公布日期
1963.12.31
申请号
US19610160531
申请日期
1961.12.19
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
NIELSEN ROBERT J.;PAOLA CARL R.;RONGVED LEIF
分类号
H01J23/04
主分类号
H01J23/04
代理机构
代理人
主权项
地址
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