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发明名称
SURFACE TREATMENT DEVICE FOR PRODUCING MAGNETIC RECORDING MEDIUM AND LAPPING TAPE USED FOR IT
摘要
申请公布号
JPH04205817(A)
申请公布日期
1992.07.28
申请号
JP19900329624
申请日期
1990.11.30
申请人
SONY CORP
发明人
SHIMIZU TATSUO;YAMAURA OSAMU;HAYASAKA MASAHIRO
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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