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发明名称
Improvements in amplifier circuits
摘要
申请公布号
GB903775(A)
申请公布日期
1962.08.22
申请号
GB19580041774
申请日期
1958.12.24
申请人
SYLVANIA ELECTRIC PRODUCTS INC.
发明人
分类号
H04N3/185;H04N3/22
主分类号
H04N3/185
代理机构
代理人
主权项
地址
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