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发明名称
摘要
申请公布号
JPS5690754(U)
申请公布日期
1981.07.20
申请号
JP19790172289U
申请日期
1979.12.14
申请人
发明人
分类号
G11B15/07;G11B15/04;G11B15/66;G11B15/675;(IPC1-7):G11B15/04
主分类号
G11B15/07
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