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发明名称
摘要
申请公布号
JPS53155603(U)
申请公布日期
1978.12.07
申请号
JP19770060025U
申请日期
1977.05.13
申请人
发明人
分类号
G11B5/80;G06K19/00;(IPC1-7):G11B5/80
主分类号
G11B5/80
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