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发明名称
PRODUCTION OF SUBSTRATE FOR MAGNETIC DISK
摘要
申请公布号
JPH03127328(A)
申请公布日期
1991.05.30
申请号
JP19890265580
申请日期
1989.10.12
申请人
YAMAHA CORP
发明人
UMEHARA YASUTOSHI
分类号
G11B5/84
主分类号
G11B5/84
代理机构
代理人
主权项
地址
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