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发明名称
Field compensated lens
摘要
申请公布号
EP0475020(B1)
申请公布日期
1997.03.26
申请号
EP19910111996
申请日期
1991.07.18
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
SINGH, RAMA NAND;WILCZYNSKI, JANUSZ STANISLAW
分类号
G02B13/24;G02B13/26;G02B17/00;G02B17/08;G02B27/00;G02B27/18;G03F7/20;(IPC1-7):G02B17/08
主分类号
G02B13/24
代理机构
代理人
主权项
地址
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