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发明名称
Low-frequency amplifier
摘要
申请公布号
US3001149(A)
申请公布日期
1961.09.19
申请号
US19580730078
申请日期
1958.04.22
申请人
NORTH AMERICAN PHILIPS COMPANY, INC.
发明人
QUANT HANS DE
分类号
H03G7/00
主分类号
H03G7/00
代理机构
代理人
主权项
地址
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