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发明名称
Two-speed drive for phonograph turntables
摘要
申请公布号
US2438266(A)
申请公布日期
1948.03.23
申请号
US19470735461
申请日期
1947.03.18
申请人
THE GENERAL INDUSTRIES COMPANY
发明人
EWING CHARLES E.
分类号
G11B17/00;G11B19/265
主分类号
G11B17/00
代理机构
代理人
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