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发明名称
摘要
申请公布号
JPH03121518(U)
申请公布日期
1991.12.12
申请号
JP19900028065U
申请日期
1990.03.19
申请人
发明人
分类号
G11B7/12;G11B7/22;(IPC1-7):G11B7/12
主分类号
G11B7/12
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代理人
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