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发明名称
Record changer
摘要
申请公布号
US2293703(A)
申请公布日期
1942.08.25
申请号
US19400334414
申请日期
1940.05.10
申请人
GALVIN MANUFACTURING CORPORATION
发明人
BECWAR RUDOLPH A.
分类号
G11B17/16
主分类号
G11B17/16
代理机构
代理人
主权项
地址
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