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发明名称
Thermionic amplifier
摘要
申请公布号
US1924268(A)
申请公布日期
1933.08.29
申请号
US19290401930
申请日期
1929.10.23
申请人
RADIO CORPORATION
发明人
BROWNE CECIL OSWALD
分类号
H03F3/02
主分类号
H03F3/02
代理机构
代理人
主权项
地址
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