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发明名称
Automatic record changer
摘要
申请公布号
US2572684(A)
申请公布日期
1951.10.23
申请号
US19480020248
申请日期
1948.04.10
申请人
ASSOCIATED DEVELOPMENT & RESEARCH CORPORATION
发明人
WALLACH IRVING D.;CLARK GEORGE
分类号
G11B17/00
主分类号
G11B17/00
代理机构
代理人
主权项
地址
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