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发明名称
ORIGINAL READING LENS
摘要
申请公布号
JPH01102414(A)
申请公布日期
1989.04.20
申请号
JP19870260587
申请日期
1987.10.15
申请人
RICOH CO LTD
发明人
SHINOHARA KOICHI
分类号
G02B9/16;G02B13/24
主分类号
G02B9/16
代理机构
代理人
主权项
地址
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