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发明名称
PRODUCTION OF MAGNETIC RECORDING MEDIUM
摘要
申请公布号
JPH02220224(A)
申请公布日期
1990.09.03
申请号
JP19890040352
申请日期
1989.02.22
申请人
SONY CORP
发明人
CHIBA KAZUNOBU
分类号
G11B5/85
主分类号
G11B5/85
代理机构
代理人
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