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发明名称
MAGNETIC DISK SUBSTRATE AND ITS MANUFACTURE
摘要
申请公布号
JPH0417118(A)
申请公布日期
1992.01.21
申请号
JP19900120457
申请日期
1990.05.10
申请人
SHOWA ALUM CORP
发明人
KITAMURA SHINOBU
分类号
G11B5/82;G11B5/73;G11B5/84
主分类号
G11B5/82
代理机构
代理人
主权项
地址
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