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发明名称
摘要
申请公布号
JP2717546(B2)
申请公布日期
1998.02.18
申请号
JP19880163895
申请日期
1988.06.30
申请人
发明人
分类号
G02B7/08;(IPC1-7):G02B7/08
主分类号
G02B7/08
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代理人
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