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经营范围
发明名称
AUDIO AMPLIFIER
摘要
申请公布号
GB1594081(A)
申请公布日期
1981.07.30
申请号
GB19780009242
申请日期
1978.03.08
申请人
TSUKAMOTO K
发明人
分类号
H03F1/26;H03F3/185;(IPC1-7):H03F1/26
主分类号
H03F1/26
代理机构
代理人
主权项
地址
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