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经营范围
发明名称
MAGNETIC DISK DEVICE
摘要
申请公布号
JPH02206081(A)
申请公布日期
1990.08.15
申请号
JP19890024840
申请日期
1989.02.03
申请人
NEC CORP
发明人
KOCHIYAMA SHIGERU
分类号
G11B23/03;G11B17/038;G11B23/00
主分类号
G11B23/03
代理机构
代理人
主权项
地址
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