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发明名称
DATA ETCHING CIRCUIT AND MAGNETIC DISC SYSTEM
摘要
申请公布号
JPH04209370(A)
申请公布日期
1992.07.30
申请号
JP19900400030
申请日期
1990.12.01
申请人
HITACHI LTD
发明人
HASE KENICHI;MIYAZAWA SHOICHI;HOTTA RYUTARO;KOJIMA SHINICHI
分类号
G11B20/14
主分类号
G11B20/14
代理机构
代理人
主权项
地址
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