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发明名称
摘要
申请公布号
JPS6285950(U)
申请公布日期
1987.06.01
申请号
JP19850178473U
申请日期
1985.11.20
申请人
发明人
分类号
G11B17/28;G11B17/22;(IPC1-7):G11B17/22
主分类号
G11B17/28
代理机构
代理人
主权项
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