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发明名称
High frequency amplifier
摘要
申请公布号
US2293480(A)
申请公布日期
1942.08.18
申请号
US19400363550
申请日期
1940.10.30
申请人
GUZMAN TOVAR JORGE
发明人
TOVAR JORGE GUZMAN
分类号
H03F99/00
主分类号
H03F99/00
代理机构
代理人
主权项
地址
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