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发明名称
Improvements in phonograph reproducers
摘要
申请公布号
GB658215(A)
申请公布日期
1951.10.03
申请号
GB19480010361
申请日期
1949.04.19
申请人
COLUMBIA BROADCASTING SYSTEM INC.
发明人
分类号
G11B3/10
主分类号
G11B3/10
代理机构
代理人
主权项
地址
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