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发明名称
Electronic device and circuit arrangement therefor
摘要
申请公布号
US2474960(A)
申请公布日期
1949.07.05
申请号
US19450590912
申请日期
1945.04.28
申请人
NATIONAL UNION RADIO CORPORATION
发明人
SKELLETT ALBERT M.
分类号
H01J21/14
主分类号
H01J21/14
代理机构
代理人
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地址
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