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发明名称
Automatic phonograph
摘要
申请公布号
US2018881(A)
申请公布日期
1935.10.29
申请号
US19310561898
申请日期
1931.09.09
申请人
THE CAPEHART CORPORATION
发明人
COLLISON EDWARD E.;ERBE RALPH R.
分类号
G11B17/04
主分类号
G11B17/04
代理机构
代理人
主权项
地址
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