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发明名称
RECORD CHANGER
摘要
申请公布号
US3452992(A)
申请公布日期
1969.07.01
申请号
USD3452992
申请日期
1966.07.27
申请人
WARWICK ELECTRONICS INC.
发明人
ERNEST O.P. TATTER
分类号
G11B17/14;(IPC1-7):G11B17/10
主分类号
G11B17/14
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代理人
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