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发明名称
ZOOM LENS
摘要
申请公布号
JPH11223772(A)
申请公布日期
1999.08.17
申请号
JP19980039636
申请日期
1998.02.05
申请人
CANON INC
发明人
KOYAMA TAKASHI
分类号
G02B13/18;G02B15/20;(IPC1-7):G02B15/20
主分类号
G02B13/18
代理机构
代理人
主权项
地址
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