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经营范围
发明名称
MAGNETIC RECORDING MEDIUM
摘要
申请公布号
JPS6476517(A)
申请公布日期
1989.03.22
申请号
JP19870232614
申请日期
1987.09.18
申请人
HITACHI MAXELL LTD
发明人
MIZUMURA TETSUO
分类号
G11B5/72;G11B5/64;G11B5/66
主分类号
G11B5/72
代理机构
代理人
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地址
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