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经营范围
发明名称
CONTROL SYSTEM FOR VARIABLE GAIN AMPLIFIER
摘要
申请公布号
JPS6410404(A)
申请公布日期
1989.01.13
申请号
JP19870165330
申请日期
1987.07.03
申请人
HITACHI LTD
发明人
UCHIYAMA NAOYUKI;ISAKA KAZUO
分类号
G11B5/09;H03G3/20
主分类号
G11B5/09
代理机构
代理人
主权项
地址
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