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发明名称
Dual stylus phonograph pickup for multispeed record players
摘要
申请公布号
US2554209(A)
申请公布日期
1951.05.22
申请号
US19490116428
申请日期
1949.09.19
申请人
GENERAL ELECTRIC COMPANY
发明人
MINER CARROLL R.;ZIKMUND EDWARD J.
分类号
H04R11/08;H04R11/10
主分类号
H04R11/08
代理机构
代理人
主权项
地址
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