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发明名称
Multiple-amplifier arrangement
摘要
申请公布号
US1763388(A)
申请公布日期
1930.06.10
申请号
US19270160555
申请日期
1927.01.12
申请人
ETTORE BELLINI
发明人
BELLINI ETTORE
分类号
H03F1/54
主分类号
H03F1/54
代理机构
代理人
主权项
地址
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