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发明名称
High frequency electron discharge tube
摘要
申请公布号
US2281041(A)
申请公布日期
1942.04.28
申请号
US19410379559
申请日期
1941.02.19
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
LABIN EMILE
分类号
H01J19/34
主分类号
H01J19/34
代理机构
代理人
主权项
地址
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