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发明名称
摘要
申请公布号
JPS59118130(U)
申请公布日期
1984.08.09
申请号
JP19830012122U
申请日期
1983.01.31
申请人
发明人
分类号
G02B7/09;G02B7/02;G11B7/08;G11B7/09;(IPC1-7):G11B7/08;G02B7/11
主分类号
G02B7/09
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代理人
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