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发明名称
AUTOMATIC RECORD CHANGER
摘要
申请公布号
US3490772(A)
申请公布日期
1970.01.20
申请号
USD3490772
申请日期
1967.05.22
申请人
JAMES T. DENNIS
发明人
JAMES T. DENNIS
分类号
G11B17/16;(IPC1-7):G11B17/16
主分类号
G11B17/16
代理机构
代理人
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