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发明名称
摘要
申请公布号
JPS53134809(U)
申请公布日期
1978.10.25
申请号
JP19770039546U
申请日期
1977.03.31
申请人
发明人
分类号
G11B15/02;G11B15/48;G11B15/66;G11B15/665;(IPC1-7):G11B15/02
主分类号
G11B15/02
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