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发明名称
Amplifier energizing
摘要
申请公布号
US1940723(A)
申请公布日期
1933.12.26
申请号
US19290344316
申请日期
1929.03.05
申请人
RADIO CORPORATION OF AMERICA
发明人
MIESSNER BENJAMIN F.
分类号
H04B15/00
主分类号
H04B15/00
代理机构
代理人
主权项
地址
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