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发明名称
Multispeed record player with automatic tone arm weight compensation
摘要
申请公布号
US2608411(A)
申请公布日期
1952.08.26
申请号
US19490104946
申请日期
1949.07.15
申请人
GENERAL INSTRUMENT CORPORATION
发明人
FISHER BERNE N.
分类号
G11B17/00
主分类号
G11B17/00
代理机构
代理人
主权项
地址
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