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发明名称
摘要
申请公布号
JPS56136317(U)
申请公布日期
1981.10.15
申请号
JP19810023953U
申请日期
1981.02.20
申请人
发明人
分类号
G11B5/024;G11B5/02;(IPC1-7):G11B5/02
主分类号
G11B5/024
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