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发明名称
KEPLER-TYPE VARIABLE MAGNIFICATION FINDER
摘要
申请公布号
JPH02191908(A)
申请公布日期
1990.07.27
申请号
JP19890086373
申请日期
1989.04.05
申请人
RICOH CO LTD
发明人
KIKUCHI SHUICHI
分类号
G03B13/06;G02B13/18;G02B15/14;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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