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发明名称
摘要
申请公布号
JPS6273365(U)
申请公布日期
1987.05.11
申请号
JP19850165390U
申请日期
1985.10.28
申请人
发明人
分类号
G11B21/21;(IPC1-7):G11B21/21
主分类号
G11B21/21
代理机构
代理人
主权项
地址
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