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发明名称
High frequency amplifier
摘要
申请公布号
US1920342(A)
申请公布日期
1933.08.01
申请号
US19320596030
申请日期
1932.03.01
申请人
RADIO CORPORATION
发明人
BEANE EDWIN A.;ANDREWS EDWARD F.
分类号
H03J3/00
主分类号
H03J3/00
代理机构
代理人
主权项
地址
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