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经营范围
发明名称
AMPLIFIER CIRCUIT
摘要
申请公布号
JPS6382009(A)
申请公布日期
1988.04.12
申请号
JP19860225956
申请日期
1986.09.26
申请人
HITACHI LTD
发明人
TAKESHITA RITSUJI
分类号
H03F1/00;H03F1/42;H03F1/52;H03G3/12
主分类号
H03F1/00
代理机构
代理人
主权项
地址
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