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发明名称
Clutch means for phonograph records
摘要
申请公布号
US2592026(A)
申请公布日期
1952.04.08
申请号
US19480023017
申请日期
1948.04.24
申请人
GUBOFF EDWARD H
发明人
GUBOFF EDWARD H.
分类号
主分类号
代理机构
代理人
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地址
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