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经营范围
发明名称
MAGNETIC DISK
摘要
申请公布号
JPS6339129(A)
申请公布日期
1988.02.19
申请号
JP19860183671
申请日期
1986.08.05
申请人
HITACHI METALS LTD
发明人
NAKAO MASAYUKI;SHINOHARA HAJIME;SUGIYAMA TAKASHI
分类号
G11B5/66;G11B5/64;G11B5/72;G11B5/725;G11B5/73;G11B5/738;G11B5/82
主分类号
G11B5/66
代理机构
代理人
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地址
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