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发明名称
KEPLER-TYPE ZOOM FINDER OPTICAL SYSTEM
摘要
申请公布号
JPH02109009(A)
申请公布日期
1990.04.20
申请号
JP19880262209
申请日期
1988.10.18
申请人
NIKON CORP
发明人
OSHITA KOICHI
分类号
G03B13/06;G02B13/18;G02B15/16;G02B15/177;G02B23/14;G02B25/00
主分类号
G03B13/06
代理机构
代理人
主权项
地址
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