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发明名称
Plattenwechselvorrichtung fuer Schallplatten
摘要
申请公布号
DE533728(C)
申请公布日期
1931.09.17
申请号
DE1929G076611D
申请日期
1929.06.06
申请人
THE GRAMOPHONE COMPANY, LTD.
发明人
分类号
G11B17/02
主分类号
G11B17/02
代理机构
代理人
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地址
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