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发明名称
HEARING AID
摘要
申请公布号
JPH1169495(A)
申请公布日期
1999.03.09
申请号
JP19970210845
申请日期
1997.08.05
申请人
KONINKL PHILIPS ELECTRON NV
发明人
LAMBERTUS FRANCISCUS MARIA DE KONING
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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