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发明名称
摘要
申请公布号
JPH0280319(U)
申请公布日期
1990.06.20
申请号
JP19880158897U
申请日期
1988.12.05
申请人
发明人
分类号
G02B7/00;G11B7/135;(IPC1-7):G11B7/135
主分类号
G02B7/00
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代理人
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