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发明名称
Phonograph pickup arm and mounting
摘要
申请公布号
US2619352(A)
申请公布日期
1952.11.25
申请号
US19470755686
申请日期
1947.06.19
申请人
THE MAGNAVOX COMPANY
发明人
MARTIN NORMAN F.;SR. ARTHUR L. KNOX,
分类号
G11B3/20
主分类号
G11B3/20
代理机构
代理人
主权项
地址
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