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发明名称
Automatic phonograph
摘要
申请公布号
US2660437(A)
申请公布日期
1953.11.24
申请号
US19470758135
申请日期
1947.06.30
申请人
HARMAN SLINGSBY D
发明人
HARMAN SLINGSBY D.
分类号
G11B3/085;G11B3/22
主分类号
G11B3/085
代理机构
代理人
主权项
地址
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