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经营范围
发明名称
Transistor signal amplifier circuits
摘要
申请公布号
US2851542(A)
申请公布日期
1958.09.09
申请号
US19560585521
申请日期
1956.05.17
申请人
RADIO CORPORATION OF AMERICA
发明人
LOHMAN ROBERT D.
分类号
H03F3/30
主分类号
H03F3/30
代理机构
代理人
主权项
地址
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