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发明名称
摘要
申请公布号
JPH0812285(B2)
申请公布日期
1996.02.07
申请号
JP19880222478
申请日期
1988.09.07
申请人
发明人
分类号
G02B5/18;G02B27/00;G03H1/30;(IPC1-7):G02B5/18
主分类号
G02B5/18
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代理人
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