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发明名称
摘要
申请公布号
JPH0578046(U)
申请公布日期
1993.10.22
申请号
JP19920015529U
申请日期
1992.03.24
申请人
发明人
分类号
H03F1/00;H03G3/34;H04R3/00;(IPC1-7):H04H5/00
主分类号
H03F1/00
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代理人
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