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发明名称
HEARING AID
摘要
申请公布号
EP1133897(B1)
申请公布日期
2007.09.12
申请号
EP19980954101
申请日期
1998.11.24
申请人
CH
发明人
CH;CH
分类号
G06F13/38;H04R25/00;G06F13/42
主分类号
G06F13/38
代理机构
代理人
主权项
地址
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