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经营范围
发明名称
Selector for automatic phonographs
摘要
申请公布号
US2431646(A)
申请公布日期
1947.11.25
申请号
US19440524232
申请日期
1944.02.28
申请人
J. P. SEEBURG CORPORATION
发明人
KENNEY MAHLON W.;DAVIS HUGH H.
分类号
G11B27/00
主分类号
G11B27/00
代理机构
代理人
主权项
地址
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