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发明名称
METHOD OF CLEARING DUST FROM A MAGNETIC RECORD DISC OR THE LIKE
摘要
申请公布号
GB1281472(A)
申请公布日期
1972.07.12
申请号
GB19700008611
申请日期
1970.02.23
申请人
THE SINGER COMPANY
发明人
分类号
G11B5/60;G11B23/50
主分类号
G11B5/60
代理机构
代理人
主权项
地址
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