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经营范围
发明名称
Magnetic recording apparatus
摘要
申请公布号
US4829388(A)
申请公布日期
1989.05.09
申请号
US19870078159
申请日期
1987.07.27
申请人
发明人
分类号
G11B5/016;G11B19/04;G11B20/02;G11B20/18;H04N1/21
主分类号
G11B5/016
代理机构
代理人
主权项
地址
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