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发明名称
Cascaded electron tube system
摘要
申请公布号
US2072953(A)
申请公布日期
1937.03.09
申请号
US19320598984
申请日期
1932.03.15
申请人
RADIO CORPORATION
发明人
KELLEY GERARD J.
分类号
H03F3/36
主分类号
H03F3/36
代理机构
代理人
主权项
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