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发明名称
Electronic amplifier circuits
摘要
申请公布号
US2979612(A)
申请公布日期
1961.04.11
申请号
US19580746937
申请日期
1958.07.07
申请人
NOVA-TECH, INC.
发明人
HELD SIDNEY P.
分类号
H03F3/48
主分类号
H03F3/48
代理机构
代理人
主权项
地址
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