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发明名称
Sound reproducing apparatus
摘要
申请公布号
US2095288(A)
申请公布日期
1937.10.12
申请号
US19350033261
申请日期
1935.07.26
申请人
RADIO CORPORATION
发明人
REYNOLDS ELLWOOD W.
分类号
G11B15/34
主分类号
G11B15/34
代理机构
代理人
主权项
地址
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