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发明名称
TRIPLET LENS
摘要
申请公布号
JPH02139513(A)
申请公布日期
1990.05.29
申请号
JP19880311420
申请日期
1988.12.09
申请人
RICOH CO LTD
发明人
SHINOHARA KOICHI
分类号
G02B9/16
主分类号
G02B9/16
代理机构
代理人
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