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经营范围
发明名称
OBJECTIF A LONGUEUR FOCALE VARIABLE
摘要
申请公布号
FR2582817(B1)
申请公布日期
1991.06.21
申请号
FR19860007800
申请日期
1986.05.30
申请人
CANON KK
发明人
YOSHIFUMI NISHIMOTO
分类号
G02F1/03;G02F1/29;(IPC1-7):G02B15/00;G02B7/11;G02F1/07;G02F1/09
主分类号
G02F1/03
代理机构
代理人
主权项
地址
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