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经营范围
发明名称
RECORD EXTRACTION MECHANISM
摘要
申请公布号
GB8311622(D0)
申请公布日期
1983.06.02
申请号
GB19830011622
申请日期
1983.04.28
申请人
RCA CORPORATION
发明人
分类号
G11B17/049;G11B17/04;G11B23/03;(IPC1-7):G11B17/04
主分类号
G11B17/049
代理机构
代理人
主权项
地址
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