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发明名称
Electron tube
摘要
申请公布号
US2249552(A)
申请公布日期
1941.07.15
申请号
US19370149463
申请日期
1937.06.21
申请人
RADIO CORPORATION
发明人
ZWORYKIN VLADIMIR K.
分类号
H01J29/48;H01J29/52
主分类号
H01J29/48
代理机构
代理人
主权项
地址
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