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经营范围
发明名称
摘要
申请公布号
JPS5267303(U)
申请公布日期
1977.05.18
申请号
JP19750153482U
申请日期
1975.11.13
申请人
发明人
分类号
G11B17/028;(IPC1-7):G11B3/62
主分类号
G11B17/028
代理机构
代理人
主权项
地址
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