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经营范围
发明名称
MAGNETIC RECORDING MEDIUM
摘要
申请公布号
JPS5674830(A)
申请公布日期
1981.06.20
申请号
JP19790151103
申请日期
1979.11.20
申请人
HITACHI MAXELL
发明人
KAWARAI MASAYOSHI;WATAYA SEIJI
分类号
G11B5/702;C09D5/23;G11B5/70
主分类号
G11B5/702
代理机构
代理人
主权项
地址
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