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发明名称
HEARING AID
摘要
申请公布号
JPH06233392(A)
申请公布日期
1994.08.19
申请号
JP19930036153
申请日期
1993.02.01
申请人
RION CO LTD
发明人
NARISAWA YOSHIYUKI
分类号
H04R25/04;H04R25/00;(IPC1-7):H04R25/04
主分类号
H04R25/04
代理机构
代理人
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地址
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