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发明名称
SOUND INPUT/OUTPUT CIRCUIT
摘要
申请公布号
JPH11239399(A)
申请公布日期
1999.08.31
申请号
JP19980058859
申请日期
1998.02.23
申请人
TOTOKU ELECTRIC CO LTD
发明人
KASUGA NORIAKI
分类号
H04R3/00;(IPC1-7):H04R3/00
主分类号
H04R3/00
代理机构
代理人
主权项
地址
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