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发明名称
Zoom lens
摘要
申请公布号
USRE32923(E)
申请公布日期
1989.05.16
申请号
US19840659334
申请日期
1984.10.10
申请人
发明人
分类号
G02B15/173
主分类号
G02B15/173
代理机构
代理人
主权项
地址
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