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发明名称
Phonograph tone arm control
摘要
申请公布号
US2697608(A)
申请公布日期
1954.12.21
申请号
US19510207952
申请日期
1951.01.26
申请人
AMI INCORPORATED
发明人
VANDERZEE HARRY HERBERT;MCCALLUM ROBERT A.
分类号
G11B3/08;G11B17/24
主分类号
G11B3/08
代理机构
代理人
主权项
地址
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