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经营范围
发明名称
ZOOM LENS
摘要
申请公布号
GB2021799(B)
申请公布日期
1982.07.07
申请号
GB19790010555
申请日期
1979.03.27
申请人
CANON KK
发明人
分类号
G02B15/167;G02B15/17;(IPC1-7):G02B15/18
主分类号
G02B15/167
代理机构
代理人
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地址
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