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发明名称
LOUDNESS ADJUSTING METHOD AND HEARING AID
摘要
申请公布号
JPH11225398(A)
申请公布日期
1999.08.17
申请号
JP19980024271
申请日期
1998.02.05
申请人
MATSUSHITA ELECTRIC IND CO LTD
发明人
ARAI YASUHIKO;MINOWA TOSHIMITSU;HIKITA KAZUHIKO
分类号
H04R25/00;(IPC1-7):H04R25/00
主分类号
H04R25/00
代理机构
代理人
主权项
地址
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