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摘要
申请公布号
JPS5481320(U)
申请公布日期
1979.06.09
申请号
JP19770155689U
申请日期
1977.11.19
申请人
发明人
分类号
G11B25/04;(IPC1-7):G11B25/04
主分类号
G11B25/04
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