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发明名称
Electron discharge device
摘要
申请公布号
US2630545(A)
申请公布日期
1953.03.03
申请号
US19500179337
申请日期
1950.08.14
申请人
JEROME ROTHSTEIN
发明人
ROTHSTEIN JEROME
分类号
H01J25/30
主分类号
H01J25/30
代理机构
代理人
主权项
地址
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