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经营范围
发明名称
Improvements in or relating to digital recording systems
摘要
申请公布号
GB986645(A)
申请公布日期
1965.03.17
申请号
GB19620020832
申请日期
1962.05.30
申请人
POTTER INSTRUMENT COMPANY, INC.
发明人
分类号
G11B20/14
主分类号
G11B20/14
代理机构
代理人
主权项
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