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经营范围
发明名称
Selector for automatic phonographs
摘要
申请公布号
US2621241(A)
申请公布日期
1952.12.09
申请号
US19490117389
申请日期
1949.09.23
申请人
J. P. SEEBURG CORPORATION
发明人
JENSEN HERMAN G.
分类号
G07F17/30;G11B17/22
主分类号
G07F17/30
代理机构
代理人
主权项
地址
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