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发明名称
Phonograph tone arm
摘要
申请公布号
US2983517(A)
申请公布日期
1961.05.09
申请号
US19580747513
申请日期
1958.07.09
申请人
KLEIN FREDERICK J
发明人
KLEIN FREDERICK J.
分类号
G11B3/38
主分类号
G11B3/38
代理机构
代理人
主权项
地址
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