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发明名称
Plural speed phonograph turntable drive mechanisms
摘要
申请公布号
US2925738(A)
申请公布日期
1960.02.23
申请号
US19580726874
申请日期
1958.04.07
申请人
THE GENERAL INDUSTRIES COMPANY
发明人
COVEN WARREN B.;FUNK JOHN A.
分类号
G11B19/265
主分类号
G11B19/265
代理机构
代理人
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地址
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