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经营范围
发明名称
MICROPHONE
摘要
申请公布号
JPH11355893(A)
申请公布日期
1999.12.24
申请号
JP19980158958
申请日期
1998.06.08
申请人
SONY CORP
发明人
HIRATA SHOJI
分类号
H04R23/00;(IPC1-7):H04R23/00
主分类号
H04R23/00
代理机构
代理人
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地址
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