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发明名称
Sound-translating system
摘要
申请公布号
US1757459(A)
申请公布日期
1930.05.06
申请号
US19230636088
申请日期
1923.05.02
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
HARRISON HENRY C.
分类号
G10K11/02
主分类号
G10K11/02
代理机构
代理人
主权项
地址
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