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发明名称
ZOOM LENS SYSTEM FOR USE IN COPYING
摘要
申请公布号
GB2052089(A)
申请公布日期
1981.01.21
申请号
GB19800018589
申请日期
1980.06.06
申请人
ASAHI KOGAKU KOGYO KK
发明人
分类号
G02B13/04;G02B13/24;G02B15/16;G02B15/22;(IPC1-7):G02B15/16
主分类号
G02B13/04
代理机构
代理人
主权项
地址
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