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经营范围
发明名称
PWM AMPLIFIER
摘要
申请公布号
JPS6089111(A)
申请公布日期
1985.05.20
申请号
JP19830195978
申请日期
1983.10.21
申请人
HITACHI SEISAKUSHO KK
发明人
AMADA NOBUTAKA;NAKAGAKI HARUSHIGE
分类号
H03F3/217;H03F3/20
主分类号
H03F3/217
代理机构
代理人
主权项
地址
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