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发明名称
Variable gain amplifier
摘要
申请公布号
US5030923(A)
申请公布日期
1991.07.09
申请号
US19890437570
申请日期
1989.11.17
申请人
SANYO ELECTRIC CO., LTD.
发明人
ARAI, MASASHI
分类号
H03G3/10;H03G1/00
主分类号
H03G3/10
代理机构
代理人
主权项
地址
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