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发明名称
Sound reproducer
摘要
申请公布号
US2014621(A)
申请公布日期
1935.09.17
申请号
US19280256289
申请日期
1928.02.23
申请人
JENSEN RADIO MANUFACTURING COMPANY
发明人
JENSEN PETER L.
分类号
H04R7/20
主分类号
H04R7/20
代理机构
代理人
主权项
地址
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