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经营范围
发明名称
MAGNETIC DISK DEVICE
摘要
申请公布号
JPS6476452(A)
申请公布日期
1989.03.22
申请号
JP19870232246
申请日期
1987.09.18
申请人
HITACHI LTD;HITACHI KEIYO ENG CO LTD
发明人
YAEGASHI HIROSHI
分类号
G06F3/06;G11B19/04
主分类号
G06F3/06
代理机构
代理人
主权项
地址
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