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发明名称
SMALL-SIZED ZOOM LENS
摘要
申请公布号
JPH03233422(A)
申请公布日期
1991.10.17
申请号
JP19900272937
申请日期
1990.10.11
申请人
RICOH CO LTD
发明人
KIKUCHI SHUICHI;ITO MASAMI
分类号
G02B13/18;G02B15/20
主分类号
G02B13/18
代理机构
代理人
主权项
地址
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