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经营范围
发明名称
VOLTAGE AMPLIFIER CIRCUIT
摘要
申请公布号
JPH0567930(A)
申请公布日期
1993.03.19
申请号
JP19910227557
申请日期
1991.09.09
申请人
NEC ENG LTD
发明人
SUZUKI FUMIO
分类号
H03F1/32;H03F1/34
主分类号
H03F1/32
代理机构
代理人
主权项
地址
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