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发明名称
Improvements in and relating to differential d.c. amplifiers
摘要
申请公布号
GB711440(A)
申请公布日期
1954.06.30
申请号
GB19520002474
申请日期
1952.01.30
申请人
CHARLES MORTON
发明人
分类号
H03F3/36
主分类号
H03F3/36
代理机构
代理人
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