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发明名称
Tone arm protecting mechanism
摘要
申请公布号
US2532555(A)
申请公布日期
1950.12.05
申请号
US19450612836
申请日期
1945.08.27
申请人
EDWARD GRAY
发明人
KAMLER BENEDICT R.
分类号
G11B3/085
主分类号
G11B3/085
代理机构
代理人
主权项
地址
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