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经营范围
发明名称
Four group zoom lens
摘要
申请公布号
EP0919844(B1)
申请公布日期
2006.03.22
申请号
EP19980122744
申请日期
1998.11.30
申请人
CANON KABUSHIKI KAISHA
发明人
TERASAWA, CHIAKI
分类号
G02B13/18;G02B15/173;G02B15/167;G02B15/17
主分类号
G02B13/18
代理机构
代理人
主权项
地址
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