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发明名称
PRODUCTION OF MAGNETIC DISK SUBSTRATE
摘要
申请公布号
JPH0430324(A)
申请公布日期
1992.02.03
申请号
JP19900136764
申请日期
1990.05.25
申请人
YAMAHA CORP
发明人
WAKUI YUKIO;SAKURA YASUO;TOKUSHIMA TADAO
分类号
G11B5/82;G11B5/73
主分类号
G11B5/82
代理机构
代理人
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地址
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