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发明名称
Electron discharge devices
摘要
申请公布号
US2764708(A)
申请公布日期
1956.09.25
申请号
US19540410399
申请日期
1954.02.15
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
BECK ARNOLD HUGH WILLIAM
分类号
H01J3/02
主分类号
H01J3/02
代理机构
代理人
主权项
地址
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