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申请公布号
JPS52156513(U)
申请公布日期
1977.11.28
申请号
JP19770057575U
申请日期
1977.05.09
申请人
发明人
分类号
G11B15/68;G11B15/08;G11B15/66;(IPC1-7):G11B15/08
主分类号
G11B15/68
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