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发明名称
摘要
申请公布号
JPS5269909(U)
申请公布日期
1977.05.24
申请号
JP19750157643U
申请日期
1975.11.19
申请人
发明人
分类号
G11B5/027;G11B15/02;(IPC1-7):G11B15/02
主分类号
G11B5/027
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