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经营范围
发明名称
MAGNETIC DISK DEVICE
摘要
申请公布号
JPH0322202(A)
申请公布日期
1991.01.30
申请号
JP19890156004
申请日期
1989.06.19
申请人
NEC CORP
发明人
YOSHIDA MASAHIDE
分类号
G11B5/66;G11B5/012;G11B5/73;G11B21/21
主分类号
G11B5/66
代理机构
代理人
主权项
地址
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