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发明名称
摘要
申请公布号
JPH0193604(U)
申请公布日期
1989.06.20
申请号
JP19870189830U
申请日期
1987.12.14
申请人
发明人
分类号
G11B5/31;G11B5/17;(IPC1-7):G11B5/31
主分类号
G11B5/31
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代理人
主权项
地址
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