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发明名称
摘要
申请公布号
JPS5539514(U)
申请公布日期
1980.03.13
申请号
JP19780120489U
申请日期
1978.09.04
申请人
发明人
分类号
G11B3/095;G11B19/14;G11B21/08;(IPC1-7):G11B21/08
主分类号
G11B3/095
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代理人
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