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发明名称
摘要
申请公布号
JPS624889(Y2)
申请公布日期
1987.02.04
申请号
JP19790021393U
申请日期
1979.02.20
申请人
发明人
分类号
G11B3/10;G11B3/30;G11B3/32;(IPC1-7):G11B3/32
主分类号
G11B3/10
代理机构
代理人
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