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发明名称
Record player
摘要
申请公布号
US2416583(A)
申请公布日期
1947.02.25
申请号
US19440525906
申请日期
1944.03.10
申请人
HARTLEY ARNOLD B;HOLT HILLIS W
发明人
HARTLEY ARNOLD B.;HOLT HILLIS W.
分类号
G11B19/265
主分类号
G11B19/265
代理机构
代理人
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