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发明名称
摘要
申请公布号
JPS53118413(U)
申请公布日期
1978.09.20
申请号
JP19770023383U
申请日期
1977.02.25
申请人
发明人
分类号
G11B15/61;G11B15/60;H04N5/78;(IPC1-7):G11B15/60
主分类号
G11B15/61
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代理人
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