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经营范围
发明名称
AUTOMATIC RECORD CHANGER
摘要
申请公布号
US3460840(A)
申请公布日期
1969.08.12
申请号
USD3460840
申请日期
1966.08.11
申请人
U.S. IND. INC.
发明人
DONALD BERNARD KOEPKE
分类号
G11B19/06;(IPC1-7):G11B17/16
主分类号
G11B19/06
代理机构
代理人
主权项
地址
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