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发明名称
Negative feedback amplifier
摘要
申请公布号
GB610105(A)
申请公布日期
1948.10.12
申请号
GB19460009021
申请日期
1946.03.23
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
分类号
A61K9/16;H03F1/36
主分类号
A61K9/16
代理机构
代理人
主权项
地址
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