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发明名称
Improvements in and relating to electric amplifiers
摘要
申请公布号
GB657690(A)
申请公布日期
1951.09.26
申请号
GB19480011123
申请日期
1948.04.22
申请人
PETER FRANCIS BLACKMAN;SUN-VIC CONTROLS LIMITED
发明人
分类号
H03F3/40
主分类号
H03F3/40
代理机构
代理人
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地址
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