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发明名称
Electron discharge device and circuits therefor
摘要
申请公布号
US2113801(A)
申请公布日期
1938.04.12
申请号
US19340737192
申请日期
1934.07.27
申请人
ELECTRIC AND MUSICAL INDUSTRIES LIMITED
发明人
SHOENBERG ISAAC;BULL CABOT SEATON;RODDA SIDNEY
分类号
H01J19/02
主分类号
H01J19/02
代理机构
代理人
主权项
地址
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