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发明名称
摘要
申请公布号
JPS5225515(U)
申请公布日期
1977.02.23
申请号
JP19750109872U
申请日期
1975.08.11
申请人
发明人
分类号
G11B5/027;(IPC1-7):G11B5/033
主分类号
G11B5/027
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代理人
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