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发明名称
HEARING AID
摘要
申请公布号
JPH07264699(A)
申请公布日期
1995.10.13
申请号
JP19940072878
申请日期
1994.03.18
申请人
SONY CORP
发明人
ABE KENSAKU;KANBE YOSHIYUKI;KATSUMATA ETSURO
分类号
F01N1/00;H04R3/02;H04R5/027;H04R25/00;(IPC1-7):H04R25/00
主分类号
F01N1/00
代理机构
代理人
主权项
地址
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