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发明名称
ZOOM LENS SYSTEM
摘要
申请公布号
GB2001779(A)
申请公布日期
1979.02.07
申请号
GB19780031422
申请日期
1978.07.27
申请人
ASAHI KOGAKU KOGYO KK
发明人
分类号
G02B15/20;G02B15/177;(IPC1-7):G02B15/16
主分类号
G02B15/20
代理机构
代理人
主权项
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