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发明名称
DEVICE TO INTRODUCE HEARING OF HUMAN SPEECH TO PROFOUNDLY DEAF
摘要
申请公布号
GB8311271(D0)
申请公布日期
1983.06.02
申请号
GB19830011271
申请日期
1983.04.26
申请人
HAWORTH, N M
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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