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发明名称
Means for damping vertical modulations of phonograph recorders
摘要
申请公布号
US2547725(A)
申请公布日期
1951.04.03
申请号
US19450572912
申请日期
1945.01.15
申请人
THE SOUNDSCRIBER CORPORATION
发明人
THOMPSON LINCOLN
分类号
G11B19/20
主分类号
G11B19/20
代理机构
代理人
主权项
地址
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