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发明名称
PERFECTIONNEMENTS AUX DISPOSITIFS DE PROTHESE AUDITIVE
摘要
申请公布号
FR2494988(B1)
申请公布日期
1985.07.05
申请号
FR19800025323
申请日期
1980.11.28
申请人
LAFON JEAN CLAUDE
发明人
分类号
H04R25/00;(IPC1-7):A61F11/04
主分类号
H04R25/00
代理机构
代理人
主权项
地址
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