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发明名称
摘要
申请公布号
JPS5519342(U)
申请公布日期
1980.02.07
申请号
JP19780100193U
申请日期
1978.07.20
申请人
发明人
分类号
G11B15/30;G11B15/32;(IPC1-7):G11B15/32
主分类号
G11B15/30
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