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经营范围
发明名称
多段増幅器
摘要
申请公布号
JP5680004(B2)
申请公布日期
2015.03.04
申请号
JP20120023953
申请日期
2012.02.07
申请人
发明人
分类号
H03F3/19
主分类号
H03F3/19
代理机构
代理人
主权项
地址
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