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经营范围
发明名称
Autoamtic phonograph
摘要
申请公布号
US2673739(A)
申请公布日期
1954.03.30
申请号
US19470741595
申请日期
1947.04.15
申请人
J. P. SEEBURG CORPORATION
发明人
GIERWIATOWSKI OLGIERD
分类号
G11B17/30
主分类号
G11B17/30
代理机构
代理人
主权项
地址
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