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发明名称
MAGNETIC DISK
摘要
申请公布号
JPH03171424(A)
申请公布日期
1991.07.24
申请号
JP19890311059
申请日期
1989.11.30
申请人
SONY CORP
发明人
IMAI YASUYUKI;YOKOYAMA KAZUO;HAGA SHUICHI;MIHASHI HIROYUKI
分类号
G11B5/84
主分类号
G11B5/84
代理机构
代理人
主权项
地址
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