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发明名称
TRIPLET LENS
摘要
申请公布号
JPH01134412(A)
申请公布日期
1989.05.26
申请号
JP19870293601
申请日期
1987.11.20
申请人
RICOH CO LTD
发明人
ONO NOBUAKI
分类号
G02B13/18;G02B9/16
主分类号
G02B13/18
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代理人
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