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发明名称
Electron discharge apparatus
摘要
申请公布号
US2310936(A)
申请公布日期
1943.02.16
申请号
US19410386513
申请日期
1941.04.02
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
CHEVIGNY GEORGES PAUL
分类号
H01J19/34;H01J19/36
主分类号
H01J19/34
代理机构
代理人
主权项
地址
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