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发明名称
GRADED REFRACTIVE INDEX LENS SYSTEM
摘要
申请公布号
GB8812382(D0)
申请公布日期
1988.06.29
申请号
GB19880012382
申请日期
1988.05.25
申请人
OLYMPUS OPTICAL CO LTD
发明人
分类号
G02B3/00;G11B7/135;(IPC1-7):G02B3/00
主分类号
G02B3/00
代理机构
代理人
主权项
地址
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