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发明名称
Record changer for phonographs
摘要
申请公布号
US2390862(A)
申请公布日期
1945.12.11
申请号
US19430471712
申请日期
1943.01.08
申请人
SVENSKA AKTIEBOLAGET GASACCUMULATOR
发明人
ALEXANDERSSON HARALD VALDEMAR;HAGREN NILS UNO
分类号
G11B17/02
主分类号
G11B17/02
代理机构
代理人
主权项
地址
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