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发明名称
Amplifier circuit for electrical signals
摘要
申请公布号
US2942202(A)
申请公布日期
1960.06.21
申请号
US19560572753
申请日期
1956.03.20
申请人
MARIA SCHRAMM ARNALDO JORGE
发明人
SCHRAMM ARNALDO JORGE MARIA
分类号
H03F3/28;H03F3/32
主分类号
H03F3/28
代理机构
代理人
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地址
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