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经营范围
发明名称
SIGNAL PROCESSING CIRCUIT
摘要
申请公布号
GB1494155(A)
申请公布日期
1977.12.07
申请号
GB19760003056
申请日期
1976.01.27
申请人
NCR CORP
发明人
分类号
G11B27/10;G11B20/12;G11B20/14;(IPC1-7):H03K13/00
主分类号
G11B27/10
代理机构
代理人
主权项
地址
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