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发明名称
Phonograph apparatus
摘要
申请公布号
US2951705(A)
申请公布日期
1960.09.06
申请号
US19550534676
申请日期
1955.09.16
申请人
COLUMBIA BROADCASTING SYSTEM, INC.
发明人
DONCASTER DANIEL P.;BUTTON FREDERICK L.
分类号
G11B33/06
主分类号
G11B33/06
代理机构
代理人
主权项
地址
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