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发明名称
ELEKTRISCHE SCHALTUNG FUER EIN HOERHILFEGERAET
摘要
申请公布号
DE3229457(A1)
申请公布日期
1983.05.05
申请号
DE19823229457
申请日期
1982.08.06
申请人
RION K.K.
发明人
FUKUYAMA,KUNIHIKO;YAMAMOTO,TAKUA;MASAIKE,HIROMI
分类号
H04R25/04;H03G3/20;H04R25/00;(IPC1-7):H04R25/00
主分类号
H04R25/04
代理机构
代理人
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