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发明名称
摘要
申请公布号
JPS5234447(B2)
申请公布日期
1977.09.03
申请号
JP19730002055
申请日期
1972.12.23
申请人
发明人
分类号
G11B23/04;G11B15/10;G11B15/66;G11B23/00;(IPC1-7):G11B15/10
主分类号
G11B23/04
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