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发明名称
Class b audio amplifier
摘要
申请公布号
US2023506(A)
申请公布日期
1935.12.10
申请号
US19330704509
申请日期
1933.12.29
申请人
RADIO CORPORATION OF AMERICA
发明人
BARTON LOY E.
分类号
H03F3/28;H03F3/32
主分类号
H03F3/28
代理机构
代理人
主权项
地址
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